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| author | Jesper Juhl <jj@chaosbits.net> | 2010-10-30 15:56:54 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-12-07 14:47:23 +0100 |
| commit | 7af4c0932437f97938eef67e553c8d211f9edf33 (patch) | |
| tree | aa559f570cc86e238f86c1f9260514114d048545 /mm/percpu.c | |
| parent | cf7d7e5a1980d1116ee152d25dac382b112b9c17 (diff) | |
| download | lwn-7af4c0932437f97938eef67e553c8d211f9edf33.tar.gz lwn-7af4c0932437f97938eef67e553c8d211f9edf33.zip | |
percpu: zero memory more efficiently in mm/percpu.c::pcpu_mem_alloc()
Don't do vmalloc() + memset() when vzalloc() will do.
tj: dropped unnecessary temp variable ptr.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'mm/percpu.c')
| -rw-r--r-- | mm/percpu.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/percpu.c b/mm/percpu.c index efe816856a9d..9e16d1c9ebd5 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -293,12 +293,8 @@ static void *pcpu_mem_alloc(size_t size) if (size <= PAGE_SIZE) return kzalloc(size, GFP_KERNEL); - else { - void *ptr = vmalloc(size); - if (ptr) - memset(ptr, 0, size); - return ptr; - } + else + return vzalloc(size); } /** |