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From: Toshi Kani <toshi.kani@hp.com>
To: David Rientjes <rientjes@google.com>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, linuxram@us.ibm.com,
	guz.fnst@cn.fujitsu.com, tmac@hp.com,
	isimatu.yasuaki@jp.fujitsu.com, wency@cn.fujitsu.com,
	tangchen@cn.fujitsu.com, jiang.liu@huawei.com
Subject: Re: [PATCH v3 3/3] mm: Change __remove_pages() to call release_mem_region_adjustable()
Date: Thu, 11 Apr 2013 14:30:04 -0600	[thread overview]
Message-ID: <1365712204.32127.118.camel@misato.fc.hp.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1304101513260.1526@chino.kir.corp.google.com>

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@hp.com>
> > Reviewed-by : Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
> 
> Acked-by: David Rientjes <rientjes@google.com>

Thanks David!
-Toshi

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      reply	other threads:[~2013-04-11 20:42 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-10 17:16 [PATCH v3 0/3] Support memory hot-delete to boot memory Toshi Kani
2013-04-10 17:16 ` [PATCH v3 1/3] resource: Add __adjust_resource() for internal use Toshi Kani
2013-04-10 17:17 ` [PATCH v3 2/3] resource: Add release_mem_region_adjustable() Toshi Kani
2013-04-10 21:44   ` Andrew Morton
2013-04-10 21:49     ` Toshi Kani
2013-04-10 22:08       ` David Rientjes
2013-04-10 22:24         ` Andrew Morton
2013-04-11 16:30           ` Toshi Kani
2013-04-24  8:42             ` Ram Pai
2013-04-24 14:43               ` Toshi Kani
2013-04-10 17:17 ` [PATCH v3 3/3] mm: Change __remove_pages() to call release_mem_region_adjustable() Toshi Kani
2013-04-10 22:13   ` David Rientjes
2013-04-11 20:30     ` Toshi Kani [this message]

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