bh_cachep        3324 fs/buffer.c    static struct kmem_cache *bh_cachep __read_mostly;
bh_cachep        3356 fs/buffer.c    	struct buffer_head *ret = kmem_cache_zalloc(bh_cachep, gfp_flags);
bh_cachep        3371 fs/buffer.c    	kmem_cache_free(bh_cachep, bh);
bh_cachep        3442 fs/buffer.c    	bh_cachep = kmem_cache_create("buffer_head",