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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2014-03-12 17:06:19 +0900
committerPekka Enberg <penberg@kernel.org>2014-04-01 13:38:04 +0300
commit24f870d8f0adcd38639f2f66e37aa7591a3fc408 (patch)
treebe36bd3e209e78faff043fda65337749b3bee7dc /mm/slab.c
parent80c3a9981a544b6e96debfbcca5190b727ecd09e (diff)
slab: fix wrongly used macro
commit 'slab: restrict the number of objects in a slab' uses __builtin_constant_p() on #if macro. It is wrong usage of builtin function, but it is compiled on x86 without any problem, so I can't find it before 0 day build system find it. This commit fixes the situation by using KMALLOC_MIN_SIZE, instead of KMALLOC_SHIFT_LOW. KMALLOC_SHIFT_LOW is parsed to ilog2() on some architecture and this ilog2() uses __builtin_constant_p() and results in the problem. This problem would disappear by using KMALLOC_MIN_SIZE, since it is just constant. Tested-by: David Rientjes <rientjes@google.com> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slab.c')
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