slab: rename slab_bufctl to slab_freelist

Now, bufctl is not proper name to this array.
So change it.

Acked-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Pekka Enberg <penberg@iki.fi>

diff --git a/mm/slab.c b/mm/slab.c
index fbb594f..af2db76 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2550,7 +2550,7 @@ static struct freelist *alloc_slabmgmt(struct kmem_cache *cachep,
        return freelist;
 }
 
-static inline unsigned int *slab_bufctl(struct page *page)
+static inline unsigned int *slab_freelist(struct page *page)
 {
        return (unsigned int *)(page->freelist);
 }
@@ -2597,7 +2597,7 @@ static void cache_init_objs(struct kmem_cache *cachep,
                if (cachep->ctor)
                        cachep->ctor(objp);
 #endif
-               slab_bufctl(page)[i] = i;
+               slab_freelist(page)[i] = i;
        }
 }
 
@@ -2616,7 +2616,7 @@ static void *slab_get_obj(struct kmem_cache *cachep, struct page *page,
 {
        void *objp;
 
-       objp = index_to_obj(cachep, page, slab_bufctl(page)[page->active]);
+       objp = index_to_obj(cachep, page, slab_freelist(page)[page->active]);
        page->active++;
 #if DEBUG
        WARN_ON(page_to_nid(virt_to_page(objp)) != nodeid);
@@ -2637,7 +2637,7 @@ static void slab_put_obj(struct kmem_cache *cachep, struct page *page,
 
        /* Verify double free bug */
        for (i = page->active; i < cachep->num; i++) {
-               if (slab_bufctl(page)[i] == objnr) {
+               if (slab_freelist(page)[i] == objnr) {
                        printk(KERN_ERR "slab: double free detected in cache "
                                        "'%s', objp %p\n", cachep->name, objp);
                        BUG();
@@ -2645,7 +2645,7 @@ static void slab_put_obj(struct kmem_cache *cachep, struct page *page,
        }
 #endif
        page->active--;
-       slab_bufctl(page)[page->active] = objnr;
+       slab_freelist(page)[page->active] = objnr;
 }
 
 /*
@@ -4218,7 +4218,7 @@ static void handle_slab(unsigned long *n, struct kmem_cache *c,
 
                for (j = page->active; j < c->num; j++) {
                        /* Skip freed item */
-                       if (slab_bufctl(page)[j] == i) {
+                       if (slab_freelist(page)[j] == i) {
                                active = false;
                                break;
                        }