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由 Tejun Heo 提交于
__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: NTejun 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: NH. Peter Anvin <hpa@linux.intel.com>
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