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authorKyongHo Cho <pullip.cho@samsung.com>2011-01-13 15:47:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:48 -0800
commit43506fad21ca3d8dc59e768ff458f7c5e5c01086 (patch)
treeb594f240a780e3547341530fedabb6ac4735ff41 /mm/dmapool.c
parent5520e89485252c759ee60d313e9422447659947b (diff)
mm/page_alloc.c: simplify calculation of combined index of adjacent buddy lists
The previous approach of calucation of combined index was page_idx & ~(1 << order)) but we have same result with page_idx & buddy_idx This reduces instructions slightly as well as enhances readability. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix used-unintialised warning] Signed-off-by: KyongHo Cho <pullip.cho@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/dmapool.c')
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