mm: add context argument to shrinker callback

[net-next-2.6.git] / fs / mbcache.c

diff --git a/fs/mbcache.c b/fs/mbcache.c
index fbb1d02f8791531a0386887aeec7b21b6fa1563f..e28f21b95344378aa09ce95771481711870be902 100644 (file)
--- a/fs/mbcache.c
+++ b/fs/mbcache.c
@@ -115,7 +115,7 @@ mb_cache_indexes(struct mb_cache *cache)
  * What the mbcache registers as to get shrunk dynamically.
  */
 
-static int mb_cache_shrink_fn(int nr_to_scan, gfp_t gfp_mask);
+static int mb_cache_shrink_fn(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask);
 
 static struct shrinker mb_cache_shrinker = {
        .shrink = mb_cache_shrink_fn,
@@ -191,13 +191,14 @@ forget:
  * This function is called by the kernel memory management when memory
  * gets low.
  *
+ * @shrink: (ignored)
  * @nr_to_scan: Number of objects to scan
  * @gfp_mask: (ignored)
  *
  * Returns the number of objects which are present in the cache.
  */
 static int
-mb_cache_shrink_fn(int nr_to_scan, gfp_t gfp_mask)
+mb_cache_shrink_fn(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
 {
        LIST_HEAD(free_list);
        struct list_head *l, *ltmp;
@@ -292,7 +293,7 @@ mb_cache_create(const char *name, struct mb_cache_op *cache_op,
                        INIT_LIST_HEAD(&cache->c_indexes_hash[m][n]);
        }
        cache->c_entry_cache = kmem_cache_create(name, entry_size, 0,
-               SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL, NULL);
+               SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, NULL);
        if (!cache->c_entry_cache)
                goto fail;
 
@@ -399,13 +400,13 @@ mb_cache_destroy(struct mb_cache *cache)
  * if no more memory was available.
  */
 struct mb_cache_entry *
-mb_cache_entry_alloc(struct mb_cache *cache)
+mb_cache_entry_alloc(struct mb_cache *cache, gfp_t gfp_flags)
 {
        struct mb_cache_entry *ce;
 
-       atomic_inc(&cache->c_entry_count);
-       ce = kmem_cache_alloc(cache->c_entry_cache, GFP_KERNEL);
+       ce = kmem_cache_alloc(cache->c_entry_cache, gfp_flags);
        if (ce) {
+               atomic_inc(&cache->c_entry_count);
                INIT_LIST_HEAD(&ce->e_lru_list);
                INIT_LIST_HEAD(&ce->e_block_list);
                ce->e_cache = cache;