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Date:   Thu, 4 Apr 2019 14:36:48 +0000
From:   Pankaj Suryawanshi <pankaj.suryawanshi@...fochips.com>
To:     Shyam Saini <mayhs11saini@...il.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Re: [External] Re: CMA area pages information


________________________________________
From: Shyam Saini <mayhs11saini@...il.com>
Sent: 04 April 2019 19:58
To: Pankaj Suryawanshi
Cc: linux-kernel@...r.kernel.org; linux-mm@...ck.org
Subject: [External] Re: CMA area pages information

CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe.



On Thu, Apr 4, 2019 at 7:52 PM Pankaj Suryawanshi <pankaj.suryawanshi@...fochips.com<mailto:pankaj.suryawanshi@...fochips.com>> wrote:

________________________________________
From: Pankaj Suryawanshi
Sent: 01 April 2019 16:34
To: linux-kernel@...r.kernel.org<mailto:linux-kernel@...r.kernel.org>; linux-mm@...ck.org<mailto:linux-mm@...ck.org>
Subject: Re: CMA area pages information


________________________________________
From: Pankaj Suryawanshi
Sent: 01 April 2019 13:26
To: linux-kernel@...r.kernel.org<mailto:linux-kernel@...r.kernel.org>; linux-mm@...ck.org<mailto:linux-mm@...ck.org>
Subject: CMA area pages information

Hello,

Is there any way to get CMA area pages information (tool/application) ?

Trying to get CMA-pages info using /tools/vm/page-types.c

1. Allocate 100 mb using sample app.
2. Try to get page info using page-types.c.

Note: cma base-pfn: 0x60000
          cma reserved 1026 Mib

Pages info i got is

./test -p 3401 -L
voffset offset  flags
5c1a3   70e92   ___U_lA____M______________________________
5c1a4   73104   ___U_l_____M______________________________
5c1a6   70ad1   ___U_lA____Ma_b___________________________
71ea1   9f470   __RU_l_____M______u_______________________
71ea2   9f471   __RU_l_____M______u_______________________
71ea3   9f472   __RU_l_____M______u_______________________
71ea4   9f473   __RU_l_____M______u_______________________
71ea5   9f485   __RU_l_____M______u_______________________
71ea6   9f486   __RU_l_____M______u_______________________
71ea7   9f487   __RU_l_____M______u_______________________
71ea8   9f488   __RU_l_____M______u_______________________
71ea9   9f489   __RU_l_____M______u_______________________
71eaa   9f48a   __RU_l_____M______u_______________________
71eab   9f48b   __RU_l_____M______u_______________________
71eac   9f48c   __RU_l_____M______u_______________________
71ead   9f48d   __RU_l_____M______u_______________________
71eae   9f48e   __RU_l_____M______u_______________________
71eaf   9f48f   __RU_l_____M______u_______________________
71eb0   9f490   __RU_l_____M______u_______________________
71eb1   9f491   __RU_l_____M______u_______________________
71eb2   9f492   __RU_l_____M______u_______________________
71eb3   9f493   __RU_l_____M______u_______________________
71eb4   9f494   __RU_l_____M______u_______________________
71eb5   9f495   __RU_l_____M______u_______________________
71eb6   9f496   __RU_l_____M______u_______________________
71eb7   9f497   __RU_l_____M______u_______________________
71eb8   9f498   __RU_l_____M______u_______________________
71eb9   9f499   __RU_l_____M______u_______________________
71eba   9f49a   __RU_l_____M______u_______________________
71ebb   9f49b   __RU_l_____M______u_______________________
71ebc   9f49c   __RU_l_____M______u_______________________
71ebd   9f49d   __RU_l_____M______u_______________________
71ebe   9f49e   __RU_l_____M______u_______________________
71ebf   9f49f   __RU_l_____M______u_______________________
71ec0   9f4a0   __RU_l_____M______u_______________________
71ec1   9f56b   __RU_l_____M______u_______________________
71ec2   9f56c   __RU_l_____M______u_______________________
71ec3   9f56d   __RU_l_____M______u_______________________
71ec4   9f56e   __RU_l_____M______u_______________________
71ec5   9f56f   __RU_l_____M______u_______________________
71ec6   9f570   __RU_l_____M______u_______________________
71ec7   9f571   __RU_l_____M______u_______________________
71ec8   9f572   __RU_l_____M______u_______________________
71ec9   9f573   __RU_l_____M______u_______________________
71eca   9f574   __RU_l_____M______u_______________________
71ecb   9f575   __RU_l_____M______u_______________________
71ecc   9f576   __RU_l_____M______u_______________________
71ecd   9f577   __RU_l_____M______u_______________________
71ece   9f578   __RU_l_____M______u_______________________
71ecf   9f579   __RU_l_____M______u_______________________
71ed0   9f57a   __RU_l_____M______u_______________________
71ed1   9f57b   __RU_l_____M______u_______________________
71ed2   9f57c   __RU_l_____M______u_______________________
71ed3   9f5ea   __RU_l_____M______u_______________________
71ed4   9f5eb   __RU_l_____M______u_______________________
71ed5   9f5ec   __RU_l_____M______u_______________________
71ed6   9f5ed   __RU_l_____M______u_______________________
71ed7   9f5ee   __RU_l_____M______u_______________________
71ed8   9f5ef   __RU_l_____M______u_______________________
71ed9   9f5f0   __RU_l_____M______u_______________________
71eda   9f5f1   __RU_l_____M______u_______________________
71edb   9f5f2   __RU_l_____M______u_______________________
71edc   9f5f3   __RU_l_____M______u_______________________
71edd   9f5f4   __RU_l_____M______u_______________________
71ede   9f5f5   __RU_l_____M______u_______________________
71edf   9f5f6   __RU_l_____M______u_______________________
71ee0   9f5f7   __RU_l_____M______u_______________________
71ee1   9f5f8   __RU_l_____M______u_______________________
71ee2   9f5f9   __RU_l_____M______u_______________________
71ee3   9f5fa   __RU_l_____M______u_______________________
71ee4   9f5fb   __RU_l_____M______u_______________________
71ee5   9f5fc   __RU_l_____M______u_______________________
71ee6   9f5fd   __RU_l_____M______u_______________________
71ee7   9f5fe   __RU_l_____M______u_______________________
71ee8   9f5ff   __RU_l_____M______u_______________________
71ee9   9f600   __RU_l_____M______u_______________________
71eea   9f601   __RU_l_____M______u_______________________
71eeb   9f602   __RU_l_____M______u_______________________
71eec   9f603   __RU_l_____M______u_______________________
71eed   9f604   __RU_l_____M______u_______________________
71eee   9f605   __RU_l_____M______u_______________________
71eef   9f606   __RU_l_____M______u_______________________
71ef0   9f607   __RU_l_____M______u_______________________
71ef1   9f608   __RU_l_____M______u_______________________
71ef2   9f609   __RU_l_____M______u_______________________
71ef3   9f6b2   __RU_lA____M______________________________
71ef4   9f6b3   __RU_l_____M______u_______________________
71ef5   9f6b4   __RU_l_____M______u_______________________
71ef6   9f6b5   __RU_l_____M______u_______________________
71ef7   9f6b6   __RU_l_____M______u_______________________
71ef8   9f6b7   __RU_l_____M______u_______________________
71ef9   9f6b8   __RU_l_____M______u_______________________
71efa   9f6b9   __RU_l_____M______u_______________________
71efb   9f6ba   __RU_l_____M______u_______________________
71efc   9f67e   __RU_l_____M______u_______________________
71efd   9f67f   __RU_l_____M______u_______________________
71efe   9f680   __RU_l_____M______u_______________________
71eff   9f681   __RU_l_____M______u_______________________
71f00   9f682   __RU_l_____M______u_______________________
71f01   9f683   __RU_l_____M______u_______________________
71f02   9f684   __RU_l_____M______u_______________________
71f03   9f685   __RU_l_____M______u_______________________
71f04   9f686   __RU_l_____M______u_______________________
71f05   9f687   __RU_l_____M______u_______________________
71f06   9f688   __RU_l_____M______u_______________________
71f07   9f689   __RU_l_____M______u_______________________
71f08   9f68a   __RU_l_____M______u_______________________
71f09   9f68b   __RU_l_____M______u_______________________
71f0a   9f68c   __RU_l_____M______u_______________________
71f0b   9f68d   __RU_l_____M______u_______________________
71f0c   9f68e   __RU_l_____M______u_______________________
71f0d   9f68f   __RU_l_____M______u_______________________
71f0e   9f690   __RU_l_____M______u_______________________
71f0f   9f691   __RU_l_____M______u_______________________
71f10   9f692   __RU_l_____M______u_______________________
71f11   9f693   __RU_l_____M______u_______________________
71f12   9f694   __RU_l_____M______u_______________________
71f13   9f695   __RU_l_____M______u_______________________
71f15   9f697   __RU_l_____M______u_______________________
71f16   9f698   __RU_l_____M______u_______________________
71f17   9f699   __RU_l_____M______u_______________________
71f18   9f69a   __RU_l_____M______u_______________________
71f19   9f69b   __RU_l_____M______u_______________________
71f1a   9f69c   __RU_l_____M______u_______________________
71f1b   9f69d   __RU_l_____M______u_______________________
71f1c   9f69f   __RU_l_____M______u_______________________
71f1d   9f6a0   __RU_l_____M______u_______________________
71f1e   9f6a1   __RU_l_____M______u_______________________
71f1f   9f6a2   __RU_l_____M______u_______________________
71f20   9f6a3   __RU_l_____M______u_______________________
71f21   9f6a4   __RU_l_____M______u_______________________
71f22   9f6a5   __RU_l_____M______u_______________________
71f23   9f6a6   __RU_l_____M______u_______________________
71f24   9f6a7   __RU_l_____M______u_______________________
71f25   9f6a8   __RU_l_____M______u_______________________
71f26   9f6a9   __RU_lA____M______________________________
71f27   9f6aa   __RU_lA____M______________________________
71f28   9f6ab   __RU_lA____M______________________________
71f29   9f6ac   __RU_lA____M______________________________
71f2b   9f6ae   __RU_lA____M______________________________
71f2c   9f474   __RU_lA____M______________________________
71f2d   9f475   __RU_lA____M______________________________
71f2e   9f476   __RU_lA____M______________________________
71f2f   9f477   __RU_lA____M______________________________
71f34   819bb   ___U_lA____Ma_b___________________________
71f35   81a0b   ___U_lA____Ma_b___________________________
71f36   7e16f   ___UDlA____Ma_b___________________________
71f37   7e403   ___UDlA____Ma_b___________________________
71f38   8444e   ___U_lA____Ma_b___________________________
71f39   72081   ___U_lA____Ma_b___________________________
71f3a   7e713   ___UDlA____Ma_b___________________________
71f5e   9f677   __RU_l_____M______u_______________________
71f5f   9f678   __RU_l_____M______u_______________________
71f60   9f679   __RU_l_____M______u_______________________
71f61   9f67a   __RU_l_____M______u_______________________
71f62   79818   ___UDlA____Ma_b___________________________
71f63   7045d   ___U_lA____Ma_b___________________________
71f80   815d8   ___U_lA____Ma_b___________________________
71f83   70a66   ___U_lA____Ma_b___________________________
71f84   852c5   ___U_lA____Ma_b___________________________
71f89   86d18   ___U_lA____Ma_b___________________________
71f93   795cb   ___U_lA____Ma_b___________________________
71f94   85b2b   ___U_lA____Ma_b___________________________
71f97   74499   ___U_lA____Ma_b___________________________
71f98   86a2e   ___U_lA____Ma_b___________________________
72000   7ddb1   ___U_lA____Ma_b___________________________
72001   859f1   ___U_lA____Ma_b___________________________
72005   70f79   ___U_lA____Ma_b___________________________
72009   799d9   ___UDlA____Ma_b___________________________
7208c   9f548   __RU_l_____M______u_______________________
7208d   9f549   __RU_l_____M______u_______________________
7208e   9f54a   __RU_l_____M______u_______________________
7208f   9f54b   __RU_l_____M______u_______________________
72090   9f55d   __RU_l_____M______u_______________________
72091   9f55e   __RU_l_____M______u_______________________
72092   9f55f   __RU_l_____M______u_______________________
72093   9f560   __RU_l_____M______u_______________________
72094   9f561   __RU_l_____M______u_______________________
72095   9f562   __RU_l_____M______u_______________________
72096   9f563   __RU_l_____M______u_______________________
72097   9f564   __RU_l_____M______u_______________________
72098   9f565   __RU_l_____M______u_______________________
72099   9f566   __RU_l_____M______u_______________________
7209a   9f567   __RU_l_____M______u_______________________
7209b   9f568   __RU_l_____M______u_______________________
720ad   7354b   ___U_lA____Ma_b___________________________
720ae   79029   ___UDlA____Ma_b___________________________
720cb   9f4ba   __RU_l_____M______u_______________________
720cc   9f4bb   __RU_l_____M______u_______________________
720cd   9f4bc   __RU_l_____M______u_______________________
720ce   9f4bd   __RU_l_____M______u_______________________
720cf   9f4ef   __RU_l_____M______u_______________________
720d0   9f4f0   __RU_l_____M______u_______________________
720d1   9f4f1   __RU_l_____M______u_______________________
720d2   9f4f2   __RU_l_____M______u_______________________
720d3   9f4f3   __RU_l_____M______u_______________________
720d4   9f4f4   __RU_l_____M______u_______________________
720d5   9f4f5   __RU_l_____M______u_______________________
720d6   9f4f6   __RU_l_____M______u_______________________
720d7   9f4f7   __RU_l_____M______u_______________________
720d8   9f4f8   __RU_l_____M______u_______________________
720d9   9f4f9   __RU_l_____M______u_______________________
720da   9f4fa   __RU_l_____M______u_______________________
720db   9f4fb   __RU_l_____M______u_______________________
720dc   9f4fc   __RU_l_____M______u_______________________
720dd   9f4fd   __RU_l_____M______u_______________________
720de   9f4fe   __RU_l_____M______u_______________________
720df   9f4ff   __RU_l_____M______u_______________________
720e0   9f500   __RU_l_____M______u_______________________
720e1   9f501   __RU_l_____M______u_______________________
720e2   9f502   __RU_l_____M______u_______________________
720e3   9f503   __RU_l_____M______u_______________________
720e4   9f504   __RU_l_____M______u_______________________
720e5   9f505   __RU_l_____M______u_______________________
720e6   9f506   __RU_l_____M______u_______________________
720e7   9f507   __RU_l_____M______u_______________________
720e8   9f508   __RU_l_____M______u_______________________
720e9   9f509   __RU_l_____M______u_______________________
720ea   9f50a   __RU_l_____M______u_______________________
720eb   9f5b8   __RU_l_____M______u_______________________
720ec   9f5b9   __RU_l_____M______u_______________________
720ed   9f5ba   __RU_l_____M______u_______________________
720ee   9f5bb   __RU_l_____M______u_______________________
720ef   9f5bc   __RU_l_____M______u_______________________
720f0   9f5bd   __RU_l_____M______u_______________________
720f1   9f5be   __RU_l_____M______u_______________________
720f2   9f5bf   __RU_l_____M______u_______________________
720f3   9f5c0   __RU_l_____M______u_______________________
720f4   9f5c1   __RU_l_____M______u_______________________
720f5   9f5c2   __RU_l_____M______u_______________________
720f6   9f5c3   __RU_l_____M______u_______________________
720f7   9f5c4   __RU_l_____M______u_______________________
720f8   9f5c5   __RU_l_____M______u_______________________
720f9   9f5c6   __RU_l_____M______u_______________________
720fa   9f5c7   __RU_l_____M______u_______________________
720fb   9f5c8   __RU_l_____M______u_______________________
720fc   9f5c9   __RU_l_____M______u_______________________
720fd   9f5ca   __RU_l_____M______u_______________________
720fe   9f5cb   __RU_l_____M______u_______________________
720ff   9f5cc   __RU_l_____M______u_______________________
72100   9f5cd   __RU_l_____M______u_______________________
72101   9f5ce   __RU_l_____M______u_______________________
72102   9f5cf   __RU_l_____M______u_______________________
72103   9f5d0   __RU_l_____M______u_______________________
72104   9f5d1   __RU_l_____M______u_______________________
72105   9f5d2   __RU_l_____M______u_______________________
72106   9f5d3   __RU_l_____M______u_______________________
72107   9f5d4   __RU_l_____M______u_______________________
72108   9f5d5   __RU_l_____M______u_______________________
72109   9f5d6   __RU_l_____M______u_______________________
7210a   9f5d7   __RU_l_____M______u_______________________
7210b   9f6bc   __RU_lA____M______________________________
7210c   9f6bd   __RU_l_____M______u_______________________
7210d   9f6be   __RU_l_____M______u_______________________
7210e   9f6bf   __RU_l_____M______u_______________________
7210f   9f62e   __RU_l_____M______u_______________________
72110   9f62f   __RU_l_____M______u_______________________
72111   9f630   __RU_l_____M______u_______________________
72112   9f631   __RU_l_____M______u_______________________
72113   9f632   __RU_l_____M______u_______________________
72114   9f633   __RU_l_____M______u_______________________
72115   9f634   __RU_l_____M______u_______________________
72116   9f635   __RU_l_____M______u_______________________
72117   9f636   __RU_l_____M______u_______________________
72118   9f637   __RU_l_____M______u_______________________
72119   9f638   __RU_l_____M______u_______________________
7211a   9f639   __RU_l_____M______u_______________________
7211b   9f63a   __RU_l_____M______u_______________________
7211c   9f63b   __RU_l_____M______u_______________________
7211d   9f63c   __RU_l_____M______u_______________________
7211e   9f63d   __RU_l_____M______u_______________________
7211f   9f63e   __RU_l_____M______u_______________________
72120   9f63f   __RU_l_____M______u_______________________
72121   9f640   __RU_l_____M______u_______________________
72122   9f641   __RU_l_____M______u_______________________
72123   9f642   __RU_l_____M______u_______________________
72124   9f643   __RU_l_____M______u_______________________
72125   9f644   __RU_l_____M______u_______________________
72126   9f645   __RU_l_____M______u_______________________
72127   9f646   __RU_l_____M______u_______________________
72128   9f647   __RU_l_____M______u_______________________
72129   9f648   __RU_l_____M______u_______________________
7212a   9f649   __RU_l_____M______u_______________________
7212b   9f64a   __RU_l_____M______u_______________________
7212c   9f64b   __RU_l_____M______u_______________________
7212d   9f64c   __RU_l_____M______u_______________________
7212e   9f64d   __RU_l_____M______u_______________________
7212f   9f64e   __RU_l_____M______u_______________________
72130   9f64f   __RU_l_____M______u_______________________
72131   9f650   __RU_l_____M______u_______________________
72132   9f651   __RU_l_____M______u_______________________
72133   9f652   __RU_l_____M______u_______________________
72134   9f653   __RU_l_____M______u_______________________
72135   9f654   __RU_l_____M______u_______________________
72136   9f655   __RU_l_____M______u_______________________
72137   9f656   __RU_l_____M______u_______________________
72138   9f657   __RU_l_____M______u_______________________
72139   9f658   __RU_l_____M______u_______________________
7213a   9f659   __RU_l_____M______u_______________________
7213b   9f65a   __RU_l_____M______u_______________________
7213c   9f65b   __RU_l_____M______u_______________________
7213d   9f65c   __RU_l_____M______u_______________________
7213e   9f65d   __RU_l_____M______u_______________________
7213f   9f663   __RU_l_____M______u_______________________
72140   9f664   __RU_l_____M______u_______________________
72141   9f665   __RU_l_____M______u_______________________
72142   9f666   __RU_l_____M______u_______________________
72143   9f667   __RU_l_____M______u_______________________
72144   9f668   __RU_l_____M______u_______________________
72145   9f669   __RU_l_____M______u_______________________
72146   9f532   __RU_l_____M______u_______________________
72147   9f615   __RU_l_____M______u_______________________
72148   9f616   __RU_l_____M______u_______________________
72149   9f617   __RU_l_____M______u_______________________
7214a   9f618   __RU_l_____M______u_______________________
7214b   9f619   __RU_l_____M______u_______________________
7214c   9f61a   __RU_l_____M______u_______________________
7214d   9f61b   __RU_l_____M______u_______________________
7214e   9f61c   __RU_l_____M______u_______________________
7214f   9f61d   __RU_l_____M______u_______________________
72150   9f61e   __RU_l_____M______u_______________________
72151   9f61f   __RU_l_____M______u_______________________
72152   9f620   __RU_l_____M______u_______________________
72153   9f621   __RU_l_____M______u_______________________
72154   9f622   __RU_l_____M______u_______________________
72155   9f623   __RU_l_____M______u_______________________
72156   9f624   __RU_l_____M______u_______________________
72157   9f625   __RU_l_____M______u_______________________
72158   9f626   __RU_l_____M______u_______________________
72159   9f627   __RU_l_____M______u_______________________
7215a   9f628   __RU_l_____M______u_______________________
7215b   9f629   __RU_l_____M______u_______________________
7215c   9f62a   __RU_l_____M______u_______________________
7215d   9f4cf   __RU_l_____M______u_______________________
7215e   9f4d0   __RU_l_____M______u_______________________
7215f   9f4d1   __RU_l_____M______u_______________________
72160   9f4d2   __RU_l_____M______u_______________________
72161   9f4d3   __RU_l_____M______u_______________________
72162   9f4d4   __RU_l_____M______u_______________________
72163   9f4d5   __RU_l_____M______u_______________________
72164   9f4d6   __RU_l_____M______u_______________________
72165   9f4d7   __RU_l_____M______u_______________________
72166   9f4d8   __RU_l_____M______u_______________________
72167   9f4d9   __RU_l_____M______u_______________________
72168   9f4da   __RU_l_____M______u_______________________
72169   9f4db   __RU_l_____M______u_______________________
7216a   9f4dc   __RU_l_____M______u_______________________
7216b   7e111   ___U_lA____Ma_b___________________________
7216c   81afb   ___UDlA____Ma_b___________________________
7216d   85c4e   ___UDlA____Ma_b___________________________
7216e   72289   ___U_lA____Ma_b___________________________
7216f   7e776   ___UDlA____Ma_b___________________________
72170   7e7a3   ___UDlA____Ma_b___________________________
72171   7323b   ___U_lA____Ma_b___________________________
72172   73258   ___UDlA____Ma_b___________________________
72173   798b6   ___UDlA____Ma_b___________________________
72174   730b5   ___UDlA____Ma_b___________________________
72175   7de2f   ___U_lA____Ma_b___________________________
72176   74623   ___UDlA____Ma_b___________________________
72178   794fd   ___UDlA____Ma_b___________________________
72179   7ab43   ___U_lA____Ma_b___________________________
721b2   9c571   __RU_lA____M______________________________
721b4   9c573   __RU_lA____M______________________________
721b5   9c574   __RU_lA____M______________________________
721b6   72364   ___U_lA____Ma_b___________________________
721b7   8554a   ___U_lA____Ma_b___________________________
721c3   9f50b   __RU_l_____M______u_______________________
721c4   78337   ___UDlA____Ma_b___________________________
721ef   9f02b   __RUDl_____M__b___u_______________________
721f0   9f29b   __RUDl_____M__b___u_______________________
7220f   9f068   __RUDl_____M__b___u_______________________
7222f   71d8a   ___UDlA____Ma_b___________________________
72240   86654   ___U_lA____Ma_b___________________________
72243   790f4   ___UDlA____Ma_b___________________________
72244   811c7   ___U_lA____Ma_b___________________________
72245   8872e   __RUDl_____M__b___u_______________________
72246   8875d   __RUDl_____M__b___u_______________________
72247   8875c   __RUDl_____M__b___u_______________________
72248   8877d   __RUDl_____M__b___u_______________________
72249   8877c   __RUDl_____M__b___u_______________________
7224a   8877e   __RUDl_____M__b___u_______________________
7224b   8877b   __RUDl_____M__b___u_______________________
7224c   82234   ___U_lA____Ma_b___________________________
7224d   73559   ___UDlA____Ma_b___________________________
7224e   91c51   ___U_lA____Ma_b___________________________
7224f   9f036   __RUDl_____M__b___u_______________________
7226f   8d1d8   ___U_lA____Ma_b___________________________
72270   819f7   ___U_lA____Ma_b___________________________
72271   720dc   ___U_lA____Ma_b___________________________
72272   9f023   __RUDl_____M__b___u_______________________
72295   9f068   __RUDl_____M__b___u_______________________
722b5   8bd9d   ___U_lA____Ma_b___________________________
722b6   8872e   __RUDl_____M__b___u_______________________
722b7   8875d   __RUDl_____M__b___u_______________________
722b8   8875c   __RUDl_____M__b___u_______________________
722b9   8877d   __RUDl_____M__b___u_______________________
722ba   8877c   __RUDl_____M__b___u_______________________
722bb   8877e   __RUDl_____M__b___u_______________________
722bc   8877b   __RUDl_____M__b___u_______________________
722bd   81651   ___U_lA____Ma_b___________________________
722be   7e251   ___UDlA____Ma_b___________________________
722bf   720e8   ___U_lA____Ma_b___________________________
722c0   8183b   ___UDlA____Ma_b___________________________
722c1   84b5b   ___U_lA____Ma_b___________________________
722c2   8346a   ___UDlA____Ma_b___________________________
722c8   87a04   ___U_lA____Ma_b___________________________
722ca   79811   ___UDlA____Ma_b___________________________
722ce   9f006   __RU_l_____M______u_______________________
722cf   9f007   __RU_l_____M______u_______________________
722d0   9f290   __RU_l_____M______u_______________________
722d1   9f291   __RU_l_____M______u_______________________
722d2   9f3ca   __RU_l_____M______u_______________________
722d3   9f3cb   __RU_l_____M______u_______________________
722d4   9f3cc   __RU_l_____M______u_______________________
722d5   9f3cd   __RU_l_____M______u_______________________
722d6   9f3ce   __RU_l_____M______u_______________________
722d7   9f3cf   __RU_l_____M______u_______________________
722d8   9f3ac   __RU_l_____M______u_______________________
722d9   9f3ad   __RU_l_____M______u_______________________
722da   9f3ae   __RU_l_____M______u_______________________
722db   9f3af   __RU_l_____M______u_______________________
722dc   9f3b0   __RU_l_____M______u_______________________
722dd   9f3b1   __RU_l_____M______u_______________________
722de   9f3b2   __RU_l_____M______u_______________________
722df   9f3b3   __RU_l_____M______u_______________________
722e0   9f3b4   __RU_l_____M______u_______________________
722e1   9f3b5   __RU_l_____M______u_______________________
722e2   9f3b6   __RU_l_____M______u_______________________
722e3   9f3b7   __RU_l_____M______u_______________________
722e4   9f3b8   __RU_l_____M______u_______________________
722e5   9f3b9   __RU_l_____M______u_______________________
722e6   9f3ba   __RU_l_____M______u_______________________
722e7   9f3bb   __RU_l_____M______u_______________________
722e8   9f3bc   __RU_l_____M______u_______________________
722e9   9f3bd   __RU_l_____M______u_______________________
722ea   9f3be   __RU_l_____M______u_______________________
722eb   9f3bf   __RU_l_____M______u_______________________
722ec   9f340   __RU_l_____M______u_______________________
722ed   9f341   __RU_l_____M______u_______________________
722ee   9f342   __RU_l_____M______u_______________________
722ef   9f343   __RU_l_____M______u_______________________
7231a   9f3d8   __RU_l_____M______u_______________________
7231b   9f3d9   __RU_l_____M______u_______________________
7231c   9f3da   __RU_l_____M______u_______________________
7231d   9f3db   __RU_l_____M______u_______________________
7231e   9f3dc   __RU_l_____M______u_______________________
7231f   9f3dd   __RU_l_____M______u_______________________
72320   9f3de   __RU_l_____M______u_______________________
72321   9f3df   __RU_l_____M______u_______________________
72322   9f3e0   __RU_l_____M______u_______________________
72323   9f3e1   __RU_l_____M______u_______________________
72324   9f3e2   __RU_l_____M______u_______________________
72325   9f3e3   __RU_l_____M______u_______________________
72326   9f3e4   __RU_l_____M______u_______________________
72327   9f3e5   __RU_l_____M______u_______________________
72328   9f3e6   __RU_l_____M______u_______________________
72329   9f3e7   __RU_l_____M______u_______________________
7232a   9f3e8   __RU_l_____M______u_______________________
7232b   9f3e9   __RU_l_____M______u_______________________
7232c   9f3ea   __RU_l_____M______u_______________________
7232d   9f3eb   __RU_l_____M______u_______________________
7232e   9f3ec   __RU_l_____M______u_______________________
7232f   9f3ed   __RU_l_____M______u_______________________
72340   9f407   __RU_l_____M______u_______________________
72341   9f408   __RU_l_____M______u_______________________
72342   9f34d   __RU_l_____M______u_______________________
72343   9f34e   __RU_l_____M______u_______________________
72344   9f34f   __RU_l_____M______u_______________________
72345   9f350   __RU_l_____M______u_______________________
72346   9f351   __RU_l_____M______u_______________________
72347   9f352   __RU_l_____M______u_______________________
72348   9f353   __RU_l_____M______u_______________________
72349   9f354   __RU_l_____M______u_______________________
7234a   9f355   __RU_l_____M______u_______________________
7234b   9f356   __RU_l_____M______u_______________________
7234c   9f357   __RU_l_____M______u_______________________
7234d   9f358   __RU_l_____M______u_______________________
7234e   9f359   __RU_l_____M______u_______________________
7234f   9f35a   __RU_l_____M______u_______________________
72350   9f35b   __RU_l_____M______u_______________________
72351   9f35c   __RU_l_____M______u_______________________
72352   9f35d   __RU_l_____M______u_______________________
72353   9f35e   __RU_l_____M______u_______________________
72354   9f35f   __RU_l_____M______u_______________________
72355   9f360   __RU_l_____M______u_______________________
72356   9f361   __RU_l_____M______u_______________________
72357   9f362   __RU_l_____M______u_______________________
72358   9f363   __RU_l_____M______u_______________________
72359   9f364   __RU_l_____M______u_______________________
7235a   9f365   __RU_l_____M______u_______________________
7235b   9f366   __RU_l_____M______u_______________________
7235c   9f367   __RU_l_____M______u_______________________
7235d   9f368   __RU_l_____M______u_______________________
7235e   9f369   __RU_l_____M______u_______________________
7235f   9f36a   __RU_l_____M______u_______________________
72360   9f36b   __RU_l_____M______u_______________________
72361   9f36c   __RU_l_____M______u_______________________
72362   9f36d   __RU_l_____M______u_______________________
72363   9f36e   __RU_l_____M______u_______________________
72364   9f36f   __RU_l_____M______u_______________________
72365   9f370   __RU_l_____M______u_______________________
72366   9f371   __RU_l_____M______u_______________________
72367   9f372   __RU_l_____M______u_______________________
72368   9f373   __RU_l_____M______u_______________________
72369   9f374   __RU_l_____M______u_______________________
7236a   9f375   __RU_l_____M______u_______________________
7236b   9f376   __RU_l_____M______u_______________________
7236c   9f377   __RU_l_____M______u_______________________
7236d   9f378   __RU_l_____M______u_______________________
7236e   9f379   __RU_l_____M______u_______________________
7236f   9f37a   __RU_l_____M______u_______________________
72370   9f37b   __RU_l_____M______u_______________________
72371   9f37c   __RU_l_____M______u_______________________
72372   9f37d   __RU_l_____M______u_______________________
72373   9f37e   __RU_l_____M______u_______________________
72374   9f37f   __RU_l_____M______u_______________________
72375   9f3c0   __RU_l_____M______u_______________________
72376   9f3c1   __RU_l_____M______u_______________________
72377   9f3c2   __RU_l_____M______u_______________________
72378   9f3c3   __RU_l_____M______u_______________________
72379   9f3c4   __RU_l_____M______u_______________________
7237a   9f3c5   __RU_l_____M______u_______________________
7237b   9f3c6   __RU_l_____M______u_______________________
7237c   9f3c7   __RU_l_____M______u_______________________
7237d   9f3c8   __RU_l_____M______u_______________________
7237e   9f3c9   __RU_l_____M______u_______________________
7237f   9f3fa   __RU_l_____M______u_______________________
72380   9f3fb   __RU_l_____M______u_______________________
72381   9f3fc   __RU_l_____M______u_______________________
72382   9f29c   __RU_l_____M______u_______________________
72383   9f29d   __RU_l_____M______u_______________________
72384   9f29e   __RU_l_____M______u_______________________
72385   9f29f   __RU_l_____M______u_______________________
72386   9f2a0   __RU_l_____M______u_______________________
72387   9f2a1   __RU_l_____M______u_______________________
72388   9f2a2   __RU_l_____M______u_______________________
72389   9f2a3   __RU_l_____M______u_______________________
7238a   9f2a4   __RU_l_____M______u_______________________
7238b   9f2a5   __RU_l_____M______u_______________________
7238c   9f2a6   __RU_l_____M______u_______________________
7238d   7e48e   ___UDlA____Ma_b___________________________
7238e   8144e   ___U_lA____Ma_b___________________________
7238f   81958   ___U_lA____Ma_b___________________________
72390   926c6   ___U_lA____Ma_b___________________________
72391   79614   ___UDlA____Ma_b___________________________
72392   78355   ___U_lA____Ma_b___________________________
72393   79992   ___UDlA____Ma_b___________________________
72394   79dd1   ___UDlA____Ma_b___________________________
72395   70d42   ___U_lA____Ma_b___________________________
72396   7049e   ___U_lA____Ma_b___________________________
72397   7983a   ___UDlA____Ma_b___________________________
72398   7964e   ___UDlA____Ma_b___________________________
7239c   74670   ___UDlA____Ma_b___________________________
7e954   7468c   ___UDlA____Ma_b___________________________
7e955   84f40   ___U_lA____Ma_b___________________________
7e956   7dcf3   ___U_lA____Ma_b___________________________
7e957   735d5   ___U_lA____Ma_b___________________________
7e958   732ea   ___U_lA____Ma_b___________________________
7e959   737cb   __RU_lA____Ma_b___________________________
7ec00   20ed8   ___________M______________________________


             flags      page-count       MB  symbolic-flags                     long-symbolic-flags
0x0000000000000800               1        0  ___________M______________________________ mmap
0x0000000000000828               1        0  ___U_l_____M______________________________ uptodate,lru,mmap
0x000000000004082c             444        1  __RU_l_____M______u_______________________ referenced,uptodate,lru,mmap,unevictable
0x000000000004483c              20        0  __RUDl_____M__b___u_______________________ referenced,uptodate,dirty,lru,mmap,swapbacked,unevictable
0x0000000000000868               1        0  ___U_lA____M______________________________ uptodate,lru,active,mmap
0x000000000000086c              14        0  __RU_lA____M______________________________ referenced,uptodate,lru,active,mmap
0x0000000000005868              47        0  ___U_lA____Ma_b___________________________ uptodate,lru,active,mmap,anonymous,swapbacked
0x000000000000586c               1        0  __RU_lA____Ma_b___________________________ referenced,uptodate,lru,active,mmap,anonymous,swapbacked
0x0000000000005878              31        0  ___UDlA____Ma_b___________________________ uptodate,dirty,lru,active,mmap,anonymous,swapbacked

What is voffset and Offset ?
Because cma-reserved range start from 0x60000 and i didnt found single page in that range after allocation cma memory ?

I found locked pages with stack trace using page_owner.c

Page allocated via order 0, mask 0x14213ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD|__GFP_NOWARN|__GFP_NORETRY)
PFN 555075 type Movable Block 135 type CMA Flags 0x8019042c(referenced|uptodate|lru|arch_1|mappedtodisk|unevictable|mlocked)
 get_page_from_freelist+0xa98/0xbf8
 __alloc_pages_nodemask+0xe8/0x124c
 __do_page_cache_readahead+0x120/0x2c4
 ondemand_readahead+0x180/0x2b4
 page_cache_sync_readahead+0x4c/0x6c
 generic_file_read_iter+0x7e8/0xae4
 ext4_file_read_iter+0x3c/0x54
 new_sync_read+0xd4/0x118
 vfs_read+0x15c/0x1ac
 SyS_pread64+0xa0/0xbc
 ret_fast_syscall+0x0/0x4c
Page has been migrated, last migrate reason: cma


but how to know the process name ? who acquire this page ?

Did you look at "current" which is pointer to current process.

print is using debugfs & it prints all pages with above details, so current pointer will not give you what we need.


Thanks.
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