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(parent: f92310c) | patch
mm: kill one if loop in __free_pages_bootmem()
authorYinghai Lu <yinghai@kernel.org>
Wed, 11 Sep 2013 21:20:37 +0000 (14:20 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 11 Sep 2013 22:57:19 +0000 (15:57 -0700)
commite2d0bd2b924d74d5e0d4f395f8f4730d125e198c
tree1ed63051163b55dce3491cb6cee65d621a80c923tree | snapshot (tar.gz zip)
parentf92310c1877fc73470bdcd9228758fa3713c191bcommit | diff
mm: kill one if loop in __free_pages_bootmem()

We should not check loop+1 with loop end in loop body.  Just duplicate two
lines code to avoid it.

That will help a bit when we have huge amount of pages on system with
16TiB memory.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/page_alloc.c diff | blob | blame | history