nfsd4: fix filehandle comment

[safe/jmp/linux-2.6] / mm / slab.c

diff --git a/mm/slab.c b/mm/slab.c
index 7560eb0..a9f325b 100644 (file)
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -654,7 +654,7 @@ static void init_node_lock_keys(int q)
 
                l3 = s->cs_cachep->nodelists[q];
                if (!l3 || OFF_SLAB(s->cs_cachep))
-                       return;
+                       continue;
                lockdep_set_class(&l3->list_lock, &on_slab_l3_key);
                alc = l3->alien;
                /*
@@ -665,7 +665,7 @@ static void init_node_lock_keys(int q)
                 * for alloc_alien_cache,
                 */
                if (!alc || (unsigned long)alc == BAD_ALIEN_MAGIC)
-                       return;
+                       continue;
                for_each_node(r) {
                        if (alc[r])
                                lockdep_set_class(&alc[r]->lock,
@@ -935,7 +935,6 @@ static int transfer_objects(struct array_cache *to,
 
        from->avail -= nr;
        to->avail += nr;
-       to->touched = 1;
        return nr;
 }
 
@@ -983,13 +982,11 @@ static struct array_cache **alloc_alien_cache(int node, int limit, gfp_t gfp)
 
        if (limit > 1)
                limit = 12;
-       ac_ptr = kmalloc_node(memsize, gfp, node);
+       ac_ptr = kzalloc_node(memsize, gfp, node);
        if (ac_ptr) {
                for_each_node(i) {
-                       if (i == node || !node_online(i)) {
-                               ac_ptr[i] = NULL;
+                       if (i == node || !node_online(i))
                                continue;
-                       }
                        ac_ptr[i] = alloc_arraycache(node, limit, 0xbaadf00d, gfp);
                        if (!ac_ptr[i]) {
                                for (i--; i >= 0; i--)
@@ -2275,9 +2272,11 @@ kmem_cache_create (const char *name, size_t size, size_t align,
        /*
         * Determine if the slab management is 'on' or 'off' slab.
         * (bootstrapping cannot cope with offslab caches so don't do
-        * it too early on.)
+        * it too early on. Always use on-slab management when
+        * SLAB_NOLEAKTRACE to avoid recursive calls into kmemleak)
         */
-       if ((size >= (PAGE_SIZE >> 3)) && !slab_early_init)
+       if ((size >= (PAGE_SIZE >> 3)) && !slab_early_init &&
+           !(flags & SLAB_NOLEAKTRACE))
                /*
                 * Size is large, assume best to place the slab management obj
                 * off-slab (should allow better packing of objs).
@@ -2596,8 +2595,8 @@ static struct slab *alloc_slabmgmt(struct kmem_cache *cachep, void *objp,
                 * kmemleak does not treat the ->s_mem pointer as a reference
                 * to the object. Otherwise we will not report the leak.
                 */
-               kmemleak_scan_area(slabp, offsetof(struct slab, list),
-                                  sizeof(struct list_head), local_flags);
+               kmemleak_scan_area(&slabp->list, sizeof(struct list_head),
+                                  local_flags);
                if (!slabp)
                        return NULL;
        } else {
@@ -2961,8 +2960,10 @@ retry:
        spin_lock(&l3->list_lock);
 
        /* See if we can refill from the shared array */
-       if (l3->shared && transfer_objects(ac, l3->shared, batchcount))
+       if (l3->shared && transfer_objects(ac, l3->shared, batchcount)) {
+               l3->shared->touched = 1;
                goto alloc_done;
+       }
 
        while (batchcount > 0) {
                struct list_head *entry;
@@ -3099,7 +3100,7 @@ static bool slab_should_failslab(struct kmem_cache *cachep, gfp_t flags)
        if (cachep == &cache_cache)
                return false;
 
-       return should_failslab(obj_size(cachep), flags);
+       return should_failslab(obj_size(cachep), flags, cachep->flags);
 }
 
 static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)