From: Shaohua Li <shaohua.li@intel.com>
Date: Tue, 12 May 2009 08:40:00 +0000 (+0800)
Subject: x86: make sparse mem work in non-NUMA mode
X-Git-Tag: v2.6.31-rc1~414^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed077b58f6146684069975122b1728a9d248a501;p=pandora-kernel.git

x86: make sparse mem work in non-NUMA mode

With sparse memory, holes should not be marked present for memmap.
This patch makes sure sparsemem really works on SMP mode (!NUMA).

[ Impact: use less memory to map fragmented RAM, avoid boot-OOM/crash ]

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
LKML-Reference: <1242117600.22431.0.camel@sli10-desk.sh.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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