linux-kernel - Re: [PATCH 15/20] unicore32/mm/fault.c: Port OOM changes to do

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Message-ID: <4F753712.3050300@mprc.pku.edu.cn>
Date:	Fri, 30 Mar 2012 12:31:14 +0800
From:	Guan Xuetao <gxt@...c.pku.edu.cn>
To:	Kautuk Consul <consul.kautuk@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 15/20] unicore32/mm/fault.c: Port OOM changes to do_pf

On 03/20/2012 09:25 PM, Kautuk Consul wrote:
> Commit d065bd810b6deb67d4897a14bfe21f8eb526ba99
> (mm: retry page fault when blocking on disk transfer) and
> commit 37b23e0525d393d48a7d59f870b3bc061a30ccdb
> (x86,mm: make pagefault killable)
>
> The above commits introduced changes into the x86 pagefault handler
> for making the page fault handler retryable as well as killable.
>
> These changes reduce the mmap_sem hold time, which is crucial
> during OOM killer invocation.
>
> Port these changes to unicore32.
>
> Signed-off-by: Kautuk Consul<consul.kautuk@...il.com>
> ---
>
Acked-by: Guan Xuetao <gxt@...c.pku.edu.cn>

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