50417c5556
zbud_alloc is only called by zswap_frontswap_store with unsigned int len. Change function parameter + update >= 0 check. Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Seth Jennings <sjennings@variantweb.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
23 lines
701 B
C
23 lines
701 B
C
#ifndef _ZBUD_H_
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#define _ZBUD_H_
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#include <linux/types.h>
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struct zbud_pool;
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struct zbud_ops {
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int (*evict)(struct zbud_pool *pool, unsigned long handle);
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};
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struct zbud_pool *zbud_create_pool(gfp_t gfp, struct zbud_ops *ops);
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void zbud_destroy_pool(struct zbud_pool *pool);
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int zbud_alloc(struct zbud_pool *pool, unsigned int size, gfp_t gfp,
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unsigned long *handle);
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void zbud_free(struct zbud_pool *pool, unsigned long handle);
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int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
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void *zbud_map(struct zbud_pool *pool, unsigned long handle);
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void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
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u64 zbud_get_pool_size(struct zbud_pool *pool);
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#endif /* _ZBUD_H_ */
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