1 files changed, 4 insertions, 18 deletions

diff --git a/fs/buffer.c b/fs/buffer.c
index aecd057cd0e0..3deeb886f6e6 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2898,8 +2898,9 @@ static void recalc_bh_state(void)
         
 struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
 {
-        struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
+        struct buffer_head *ret = kmem_cache_zalloc(bh_cachep, gfp_flags);
         if (ret) {
+                INIT_LIST_HEAD(&ret->b_assoc_buffers);
                 get_cpu_var(bh_accounting).nr++;
                 recalc_bh_state();
                 put_cpu_var(bh_accounting);
@@ -2918,17 +2919,6 @@ void free_buffer_head(struct buffer_head *bh)
 }
 EXPORT_SYMBOL(free_buffer_head);
 
-static void
-init_buffer_head(void *data, struct kmem_cache *cachep, unsigned long flags)
-{
-        if (flags & SLAB_CTOR_CONSTRUCTOR) {
-                struct buffer_head * bh = (struct buffer_head *)data;
-
-                memset(bh, 0, sizeof(*bh));
-                INIT_LIST_HEAD(&bh->b_assoc_buffers);
-        }
-}
-
 static void buffer_exit_cpu(int cpu)
 {
         int i;
@@ -2955,12 +2945,8 @@ void __init buffer_init(void)
 {
         int nrpages;
 
-        bh_cachep = kmem_cache_create("buffer_head",
-                                        sizeof(struct buffer_head), 0,
-                                        (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|
-                                        SLAB_MEM_SPREAD),
-                                        init_buffer_head,
-                                        NULL);
+        bh_cachep = KMEM_CACHE(buffer_head,
+                        SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|SLAB_MEM_SPREAD);
 
         /*
          * Limit the bh occupancy to 10% of ZONE_NORMAL