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

Signed-off-by: Krzysztof Kozlowski <k.kozlow...@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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