From: Tejun Heo <tj@kernel.org>
Date: Tue, 12 Jul 2011 08:46:29 +0000 (+0200)
Subject: bootmem: Reimplement __absent_pages_in_range() using for_each_mem_pfn_range()
X-Git-Tag: v3.3-rc1~130^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96e907d1360240d1958fe8ce3a3ac640733330d4;p=pandora-kernel.git

bootmem: Reimplement __absent_pages_in_range() using for_each_mem_pfn_range()

__absent_pages_in_range() was needlessly complex.  Reimplement it
using for_each_mem_pfn_range().

Also, update zone_absent_pages_in_node() such that it doesn't call
__absent_pages_in_range() with @zone_start_pfn which is larger than
@zone_end_pfn.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1310460395-30913-3-git-send-email-tj@kernel.org
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---

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