linux-kernel - Re: 2.6.26-rc5-mm2

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Message-Id: <200806101612.15041.nickpiggin@yahoo.com.au>
Date:	Tue, 10 Jun 2008 16:12:14 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: 2.6.26-rc5-mm2

On Tuesday 10 June 2008 15:31, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.26-rc5/2.
>6.26-rc5-mm2/
>
> - This is a bugfixed version of 2.6.26-rc5-mm1 - mainly to repair a
>   vmscan.c bug which would have prevented testing of the other vmscan.c
>   bugs^Wchanges.

BTW. this is known to be broken with x86 1GB pages and direct-IO, due
to interaction between huge pages patchset and lockless get_user_pages.

My fault. I was away from the screen over the long weekend here, and
didn't give Andrew the heads-up in time.

This isn't going to be a problem unless you explicitly enable GB pages
and run direct IO (or splice) into or out of them. I can give a fixup
patch to anyone interested in doing so.
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