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percpu: rename pcpu_mem_alloc to pcpu_mem_zalloc

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Currently pcpu_mem_alloc() is implemented always return zeroed memory.
So rename it to make user like pcpu_get_pages_and_bitmap() know don't
reinit it.

Signed-off-by: Bob Liu <[email protected]>
Reviewed-by: Pekka Enberg <[email protected]>
Reviewed-by: Michal Hocko <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
This commit is contained in:
Bob Liu 2011-08-04 11:02:33 +02:00 • committed by Tejun Heo
commit 90459ce06f
2 changed files with 11 additions and 11 deletions
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5
mm/percpu-vm.c
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@ -50,14 +50,13 @@ static struct page **pcpu_get_pages_and_bitmap(struct pcpu_chunk *chunk,
if (!pages || !bitmap) {
if (may_alloc && !pages)
pages = pcpu_mem_alloc(pages_size);
pages = pcpu_mem_zalloc(pages_size);
if (may_alloc && !bitmap)
bitmap = pcpu_mem_alloc(bitmap_size);
bitmap = pcpu_mem_zalloc(bitmap_size);
if (!pages || !bitmap)
return NULL;
}
memset(pages, 0, pages_size);
bitmap_copy(bitmap, chunk->populated, pcpu_unit_pages);
*bitmapp = bitmap;