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Subject[PATCH 2/2] mm: zbud: Constify the zbud_ops
Date
The structure zbud_ops is not modified so make the pointer to it as
pointer to const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
include/linux/zbud.h | 2 +-
mm/zbud.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/zbud.h b/include/linux/zbud.h
index f9d41a6e361f..e183a0a65ac1 100644
--- a/include/linux/zbud.h
+++ b/include/linux/zbud.h
@@ -9,7 +9,7 @@ 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);
+struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops);
void zbud_destroy_pool(struct zbud_pool *pool);
int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
unsigned long *handle);
diff --git a/mm/zbud.c b/mm/zbud.c
index 6f8158d64864..fa48bcdff9d5 100644
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -96,7 +96,7 @@ struct zbud_pool {
struct list_head buddied;
struct list_head lru;
u64 pages_nr;
- struct zbud_ops *ops;
+ const struct zbud_ops *ops;
#ifdef CONFIG_ZPOOL
struct zpool *zpool;
const struct zpool_ops *zpool_ops;
@@ -133,7 +133,7 @@ static int zbud_zpool_evict(struct zbud_pool *pool, unsigned long handle)
return -ENOENT;
}

-static struct zbud_ops zbud_zpool_ops = {
+static const struct zbud_ops zbud_zpool_ops = {
.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
* 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;
int i;
--
1.9.1


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