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[PATCH] mempool: add kmalloc allocator

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Add another allocator to the common mempool code: a kmalloc/kfree allocator

This will be used by the next patch in the series to replace duplicate
mempool-backed kmalloc allocators in several places in the kernel.  It is also
very likely that there will be more users in the future.

Signed-off-by: Matthew Dobson <colpatch@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Matthew Dobson 2006-03-26 01:37:46 -08:00 • committed by Linus Torvalds
parent a19b27ce38
commit 53184082b0
2 changed files with 29 additions and 0 deletions
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12
include/linux/mempool.h
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@ -38,6 +38,18 @@ extern void mempool_free(void *element, mempool_t *pool);
void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data);
void mempool_free_slab(void *element, void *pool_data);
/*
* A mempool_alloc_t and mempool_free_t to kmalloc the amount of memory
* specified by pool_data
*/
void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data);
void mempool_kfree(void *element, void *pool_data);
static inline mempool_t *mempool_create_kmalloc_pool(int min_nr, size_t size)
{
return mempool_create(min_nr, mempool_kmalloc, mempool_kfree,
(void *) size);
}
/*
* A mempool_alloc_t and mempool_free_t for a simple page allocator that
* allocates pages of the order specified by pool_data