linux-kernel - Re: [PATCH 16/19 v2] sh/mm/fault_32.c: Port OOM changes to do_page

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Message-ID: <20120411050756.GD19696@linux-sh.org>
Date:	Wed, 11 Apr 2012 14:07:57 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Kautuk Consul <consul.kautuk@...il.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 16/19 v2] sh/mm/fault_32.c: Port OOM changes to do_page_fault

On Sat, Mar 31, 2012 at 08:06:11AM -0400, 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 the 32-bit SH platform.
> 
> Signed-off-by: Kautuk Consul <consul.kautuk@...il.com>

Applied, thanks.

I've also made the change for sh64, and will send them out to Linus in
the next round of updates.
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