Re: [PATCH 05/19 v2] mn10300/mm/fault.c: Port OOM changes to do_page_fault

From: David Howells
Date: Tue Apr 17 2012 - 13:36:31 EST


Kautuk Consul <consul.kautuk@xxxxxxxxx> 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 mn10300.
>
> Signed-off-by: Kautuk Consul <consul.kautuk@xxxxxxxxx>

Acked-by: David Howells <dhowells@xxxxxxxxxx>
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