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linux-next/include/linux/zbud.h
Fabian Frederick 50417c5556 mm/zbud.c: make size unsigned like unique callsite
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>
2014-06-04 16:54:13 -07:00

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701 B
C

#ifndef _ZBUD_H_
#define _ZBUD_H_
#include <linux/types.h>
struct zbud_pool;
struct zbud_ops {
int (*evict)(struct zbud_pool *pool, unsigned long handle);
};
struct zbud_pool *zbud_create_pool(gfp_t gfp, struct zbud_ops *ops);
void zbud_destroy_pool(struct zbud_pool *pool);
int zbud_alloc(struct zbud_pool *pool, unsigned int size, gfp_t gfp,
unsigned long *handle);
void zbud_free(struct zbud_pool *pool, unsigned long handle);
int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
void *zbud_map(struct zbud_pool *pool, unsigned long handle);
void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
u64 zbud_get_pool_size(struct zbud_pool *pool);
#endif /* _ZBUD_H_ */