linux-kernel - Re: upcoming kerneloops.org item: get_page_from

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Message-ID: <alpine.DEB.2.00.0906251332060.3086@chino.kir.corp.google.com>
Date:	Thu, 25 Jun 2009 13:36:29 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
cc:	Theodore Tso <tytso@....edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	penberg@...helsinki.fi, arjan@...radead.org,
	linux-kernel@...r.kernel.org, cl@...ux-foundation.org,
	npiggin@...e.de
Subject: Re: upcoming kerneloops.org item: get_page_from_freelist

On Thu, 25 Jun 2009, Linus Torvalds wrote:

> It might make more sense to make a __GFP_WAIT allocation set the 
> ALLOC_HARDER bit _if_ it repeats. 

This would make sense, but only for !__GFP_FS, since otherwise the oom 
killer will free some memory on an allowed node when reclaim fails and we 
don't otherwise want to deplete memory reserves.
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