From: Yinghai Lu <yinghai@kernel.org>
Date: Tue, 16 Jun 2009 22:33:00 +0000 (-0700)
Subject: page-allocator: clear N_HIGH_MEMORY map before we set it again
X-Git-Tag: v2.6.31-rc1~299^2~96
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=73d60b7f747176dbdff826c4127d22e1fd3f9f74;p=pandora-kernel.git

page-allocator: clear N_HIGH_MEMORY map before we set it again

SRAT tables may contains nodes of very small size.  The arch code may
decide to not activate such a node.  However, currently the early boot
code sets N_HIGH_MEMORY for such nodes.  These nodes therefore seem to be
active although these nodes have no present pages.

For 64bit N_HIGH_MEMORY == N_NORMAL_MEMORY, so that works for 64 bit too

Signed-off-by: Yinghai Lu <Yinghai@kernel.org>
Tested-by: Jack Steiner <steiner@sgi.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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