Remove SLAB_CTOR_CONSTRUCTOR

[cascardo/linux.git] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index aecd057..3deeb88 100644 (file)
--- 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