linux-kernel - Re: [PATCH v3 3/3] mm: Change __remove_pages() to call release_mem_region

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 11 Apr 2013 14:30:04 -0600
From:	Toshi Kani <toshi.kani@...com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linuxram@...ibm.com,
	guz.fnst@...fujitsu.com, tmac@...com,
	isimatu.yasuaki@...fujitsu.com, wency@...fujitsu.com,
	tangchen@...fujitsu.com, jiang.liu@...wei.com
Subject: Re: [PATCH v3 3/3] mm: Change __remove_pages() to call
 release_mem_region_adjustable()

On Wed, 2013-04-10 at 15:13 -0700, David Rientjes wrote:
> On Wed, 10 Apr 2013, Toshi Kani wrote:
> 
> > Changed __remove_pages() to call release_mem_region_adjustable().
> > This allows a requested memory range to be released from
> > the iomem_resource table even if it does not match exactly to
> > an resource entry but still fits into.  The resource entries
> > initialized at bootup usually cover the whole contiguous
> > memory ranges and may not necessarily match with the size of
> > memory hot-delete requests.
> > 
> > If release_mem_region_adjustable() failed, __remove_pages() emits
> > a warning message and continues to proceed as it was the case
> > with release_mem_region().  release_mem_region(), which is defined
> > to __release_region(), emits a warning message and returns no error
> > since a void function.
> > 
> > Signed-off-by: Toshi Kani <toshi.kani@...com>
> > Reviewed-by : Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
> 
> Acked-by: David Rientjes <rientjes@...gle.com>

Thanks David!
-Toshi

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/