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mm: zbud: constify the zbud_ops 

The structure zbud_ops is not modified so make the pointer to it a
pointer to const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Krzysztof Kozlowski 2015-09-08 15:05:06 -07:00 committed by Linus Torvalds
parent 786727799a
commit c83db4f419
2 changed files with 4 additions and 4 deletions
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2
include/linux/zbud.h
View File

@ -9,7 +9,7 @@ struct zbud_ops {
int (*evict)(struct zbud_pool *pool, unsigned long handle); int (*evict)(struct zbud_pool *pool, unsigned long handle);
}; };
struct zbud_pool *zbud_create_pool(gfp_t gfp, struct zbud_ops *ops); struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops);
void zbud_destroy_pool(struct zbud_pool *pool); void zbud_destroy_pool(struct zbud_pool *pool);
int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp, int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
unsigned long *handle); unsigned long *handle);

6
mm/zbud.c
View File

@ -96,7 +96,7 @@ struct zbud_pool {
struct list_head buddied; struct list_head buddied;
struct list_head lru; struct list_head lru;
u64 pages_nr; u64 pages_nr;
struct zbud_ops *ops; const struct zbud_ops *ops;
#ifdef CONFIG_ZPOOL #ifdef CONFIG_ZPOOL
struct zpool *zpool; struct zpool *zpool;
const struct zpool_ops *zpool_ops; const struct zpool_ops *zpool_ops;
@ -133,7 +133,7 @@ static int zbud_zpool_evict(struct zbud_pool *pool, unsigned long handle)
return -ENOENT; return -ENOENT;
} }
static struct zbud_ops zbud_zpool_ops = { static const struct zbud_ops zbud_zpool_ops = {
.evict = zbud_zpool_evict .evict = zbud_zpool_evict
}; };
@ -302,7 +302,7 @@ static int num_free_chunks(struct zbud_header *zhdr)
* Return: pointer to the new zbud pool or NULL if the metadata allocation * Return: pointer to the new zbud pool or NULL if the metadata allocation
* failed. * failed.
*/ */
struct zbud_pool *zbud_create_pool(gfp_t gfp, struct zbud_ops *ops) struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops)
{ {
struct zbud_pool *pool; struct zbud_pool *pool;
int i; int i;