Merge git://git.infradead.org/users/dwmw2/iommu-2.6.32

[firefly-linux-kernel-4.4.55.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 417ed843b251850eb71e3cd2e78835f7272b6aa8..4996fc7195528ba931dda8c042da44b2501b083e 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1071,6 +1071,8 @@ static inline unsigned long kmem_cache_flags(unsigned long objsize,
 }
 #define slub_debug 0
 
+#define disable_higher_order_debug 0
+
 static inline unsigned long slabs_node(struct kmem_cache *s, int node)
                                                        { return 0; }
 static inline unsigned long node_nr_slabs(struct kmem_cache_node *n)
@@ -2111,8 +2113,8 @@ init_kmem_cache_node(struct kmem_cache_node *n, struct kmem_cache *s)
  */
 #define NR_KMEM_CACHE_CPU 100
 
-static DEFINE_PER_CPU(struct kmem_cache_cpu,
-                               kmem_cache_cpu)[NR_KMEM_CACHE_CPU];
+static DEFINE_PER_CPU(struct kmem_cache_cpu [NR_KMEM_CACHE_CPU],
+                     kmem_cache_cpu);
 
 static DEFINE_PER_CPU(struct kmem_cache_cpu *, kmem_cache_cpu_free);
 static DECLARE_BITMAP(kmem_cach_cpu_free_init_once, CONFIG_NR_CPUS);
@@ -3343,6 +3345,9 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
 {
        struct kmem_cache *s;
 
+       if (WARN_ON(!name))
+               return NULL;
+
        down_write(&slub_lock);
        s = find_mergeable(size, align, flags, name, ctor);
        if (s) {