From: Andrea Arcangeli <aarcange@redhat.com>
Date: Thu, 13 Jan 2011 23:47:11 +0000 (-0800)
Subject: thp: use compaction in kswapd for GFP_ATOMIC order > 0
X-Git-Tag: v2.6.38-rc1~112
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a03b051ed87e72b959f32a86054e1142ac4cf55;p=pandora-kernel.git

thp: use compaction in kswapd for GFP_ATOMIC order > 0

This takes advantage of memory compaction to properly generate pages of
order > 0 if regular page reclaim fails and priority level becomes more
severe and we don't reach the proper watermarks.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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