1 files changed, 16 insertions, 10 deletions

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index c8668d161dd8..f58d6413d230 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -24,6 +24,7 @@ enum stat_item {
         ALLOC_FROM_PARTIAL,     /* Cpu slab acquired from partial list */
         ALLOC_SLAB,             /* Cpu slab acquired from page allocator */
         ALLOC_REFILL,           /* Refill cpu slab from slab freelist */
+        ALLOC_NODE_MISMATCH,    /* Switching cpu slab */
         FREE_SLAB,              /* Slab freed to the page allocator */
         CPUSLAB_FLUSH,          /* Abandoning of the cpu slab */
         DEACTIVATE_FULL,        /* Cpu slab was full when deactivated */
@@ -31,8 +32,10 @@ enum stat_item {
         DEACTIVATE_TO_HEAD,     /* Cpu slab was moved to the head of partials */
         DEACTIVATE_TO_TAIL,     /* Cpu slab was moved to the tail of partials */
         DEACTIVATE_REMOTE_FREES,/* Slab contained remotely freed objects */
+        DEACTIVATE_BYPASS,      /* Implicit deactivation */
         ORDER_FALLBACK,         /* Number of times fallback was necessary */
         CMPXCHG_DOUBLE_CPU_FAIL,/* Failure of this_cpu_cmpxchg_double */
+        CMPXCHG_DOUBLE_FAIL,    /* Number of times that cmpxchg double did not match */
         NR_SLUB_STAT_ITEMS };
 
 struct kmem_cache_cpu {
@@ -113,16 +116,6 @@ struct kmem_cache {
 
 #define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
 
-#ifdef ARCH_DMA_MINALIGN
-#define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN
-#else
-#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
-#endif
-
-#ifndef ARCH_SLAB_MINALIGN
-#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
-#endif
-
 /*
  * Maximum kmalloc object size handled by SLUB. Larger object allocations
  * are passed through to the page allocator. The page allocator "fastpath"
@@ -228,6 +221,19 @@ kmalloc_order(size_t size, gfp_t flags, unsigned int order)
         return ret;
 }
 
+/**
+ * Calling this on allocated memory will check that the memory
+ * is expected to be in use, and print warnings if not.
+ */
+#ifdef CONFIG_SLUB_DEBUG
+extern bool verify_mem_not_deleted(const void *x);
+#else
+static inline bool verify_mem_not_deleted(const void *x)
+{
+        return true;
+}
+#endif
+
 #ifdef CONFIG_TRACING
 extern void *
 kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size);