linux-kernel - RE: [PATCH] docs: add VmPMD description in proc

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Date:	Fri, 24 Apr 2015 06:56:10 +0000
From:	"Chen, Hanxiao" <chenhanxiao@...fujitsu.com>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
CC:	Jonathan Corbet <corbet@....net>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: RE: [PATCH] docs: add VmPMD description in proc



> -----Original Message-----
> From: Kirill A. Shutemov [mailto:kirill@...temov.name]
> Sent: Friday, April 24, 2015 2:33 PM
> To: Chen, Hanxiao/陈 晗霄
> Cc: Jonathan Corbet; linux-doc@...r.kernel.org; linux-kernel@...r.kernel.org;
> Kirill A. Shutemov
> Subject: Re: [PATCH] docs: add VmPMD description in proc
> 
> On Fri, Apr 24, 2015 at 02:24:32AM -0400, Chen Hanxiao wrote:
> > commit dc6c9a35b66b ("mm: account pmd page tables to the process")
> > add VmPMD in /proc/PID/status.
> > This patch add a description in proc.txt for it.
> >
> > cc: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> > Signed-off-by: Chen Hanxiao <chenhanxiao@...fujitsu.com>
> > ---
> >  Documentation/filesystems/proc.txt | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/filesystems/proc.txt
> b/Documentation/filesystems/proc.txt
> > index c3b6b30..e8aba97 100644
> > --- a/Documentation/filesystems/proc.txt
> > +++ b/Documentation/filesystems/proc.txt
> > @@ -235,6 +235,7 @@ Table 1-2: Contents of the status files (as of 3.20.0)
> >   VmExe                       size of text segment
> >   VmLib                       size of shared library code
> >   VmPTE                       size of page table entries
> > + VmPMD                       size of page middle directory
> 
> 				size of second level page tables
> 
> ?

For we may have various page levels,
'second level' is more accurate than 'middle'.

Thanks for the review.
v2 will come soon.

Regards,
- Chen

> 
> >   VmSwap                      size of swap usage (the number of referred swapents)
> >   Threads                     number of threads
> >   SigQ                        number of signals queued/max. number for queue
> > --
> > 2.1.0
> >
> > --
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> 
> --
>  Kirill A. Shutemov