linux-kernel - Re: [PATCH 11/20] hexagon/mm/vm_fault.c: Port OOM changes to do_page

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Message-ID: <20120327164253.GB3916@codeaurora.org>
Date:	Tue, 27 Mar 2012 11:42:53 -0500
From:	Richard Kuo <rkuo@...eaurora.org>
To:	Kautuk Consul <consul.kautuk@...il.com>
Cc:	Linas Vepstas <linas@...eaurora.org>,
	Arnd Bergmann <arnd@...db.de>, linux-hexagon@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/20] hexagon/mm/vm_fault.c: Port OOM changes to
 do_page_fault

On Tue, Mar 20, 2012 at 09:23:33AM -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 hexagon.
> 
> Signed-off-by: Kautuk Consul <consul.kautuk@...il.com>
> ---
>  arch/hexagon/mm/vm_fault.c |   22 +++++++++++++++++-----
>  1 files changed, 17 insertions(+), 5 deletions(-)
> 

Sorry for the delay; got around to it this morning.  Looks good; thanks!

Acked-by: Richard Kuo <rkuo@...eaurora.org>


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