From: Mel Gorman <mgorman@suse.de>
Date: Wed, 4 Jun 2014 23:10:06 +0000 (-0700)
Subject: mm: page_alloc: do not treat a zone that cannot be used for dirty pages as "full"
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~56^2~16^2~121
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=800a1e750c7b04c2aa2459afca77e936e01c0029;p=pandora-kernel.git

mm: page_alloc: do not treat a zone that cannot be used for dirty pages as "full"

If a zone cannot be used for a dirty page then it gets marked "full" which
is cached in the zlc and later potentially skipped by allocation requests
that have nothing to do with dirty zones.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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