Merge branch 'slab/next' into slab/for-linus

Fix up a trivial merge conflict with commit baaf1dd ("mm/slob: use
min_t() to compare ARCH_SLAB_MINALIGN") that did not go through the slab
tree.

Conflicts:
	mm/slob.c

Signed-off-by: Pekka Enberg <penberg@kernel.org>

3 files changed, 15 insertions, 7 deletions

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 31f8a3af7d94..2fef4e720e79 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -128,10 +128,7 @@ struct page {
                 };
 
                 struct list_head list;  /* slobs list of pages */
-                struct {                /* slab fields */
-                        struct kmem_cache *slab_cache;
-                        struct slab *slab_page;
-                };
+                struct slab *slab_page; /* slab fields */
         };
 
         /* Remainder is not double word aligned */
@@ -146,7 +143,7 @@ struct page {
 #if USE_SPLIT_PTLOCKS
                 spinlock_t ptl;
 #endif
-                struct kmem_cache *slab;        /* SLUB: Pointer to slab */
+                struct kmem_cache *slab_cache;  /* SL[AU]B: Pointer to slab */
                 struct page *first_page;        /* Compound tail pages */
         };
 
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 83d1a1454b7e..743a10415122 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -128,7 +128,6 @@ struct kmem_cache *kmem_cache_create(const char *, size_t, size_t,
 void kmem_cache_destroy(struct kmem_cache *);
 int kmem_cache_shrink(struct kmem_cache *);
 void kmem_cache_free(struct kmem_cache *, void *);
-unsigned int kmem_cache_size(struct kmem_cache *);
 
 /*
  * Please use this macro to create slab caches. Simply specify the
@@ -388,6 +387,14 @@ static inline void *kzalloc_node(size_t size, gfp_t flags, int node)
         return kmalloc_node(size, flags | __GFP_ZERO, node);
 }
 
+/*
+ * Determine the size of a slab object
+ */
+static inline unsigned int kmem_cache_size(struct kmem_cache *s)
+{
+        return s->object_size;
+}
+
 void __init kmem_cache_init_late(void);
 
 #endif  /* _LINUX_SLAB_H */
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index cc290f0bdb34..45c0356fdc8c 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -89,9 +89,13 @@ struct kmem_cache {
          * (see kmem_cache_init())
          * We still use [NR_CPUS] and not [1] or [0] because cache_cache
          * is statically defined, so we reserve the max number of cpus.
+         *
+         * We also need to guarantee that the list is able to accomodate a
+         * pointer for each node since "nodelists" uses the remainder of
+         * available pointers.
          */
         struct kmem_list3 **nodelists;
-        struct array_cache *array[NR_CPUS];
+        struct array_cache *array[NR_CPUS + MAX_NUMNODES];
         /*
          * Do not add fields after array[]
          */