9p: Make sure we are able to clunk the cached fid on umount

[safe/jmp/linux-2.6] / include / linux / slub_def.h

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index a1f9052..0249d41 100644 (file)
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -10,7 +10,8 @@
 #include <linux/gfp.h>
 #include <linux/workqueue.h>
 #include <linux/kobject.h>
-#include <trace/kmemtrace.h>
+#include <linux/kmemtrace.h>
+#include <linux/kmemleak.h>
 
 enum stat_item {
        ALLOC_FASTPATH,         /* Allocation from cpu slab */
@@ -37,8 +38,6 @@ struct kmem_cache_cpu {
        void **freelist;        /* Pointer to first free per cpu object */
        struct page *page;      /* The slab from which we are allocating */
        int node;               /* The node of the page (or -1 for debug) */
-       unsigned int offset;    /* Freepointer offset (in word units) */
-       unsigned int objsize;   /* Size of an object (from kmem_cache) */
 #ifdef CONFIG_SLUB_STATS
        unsigned stat[NR_SLUB_STAT_ITEMS];
 #endif
@@ -68,6 +67,7 @@ struct kmem_cache_order_objects {
  * Slab cache management.
  */
 struct kmem_cache {
+       struct kmem_cache_cpu *cpu_slab;
        /* Used for retriving partial slabs etc */
        unsigned long flags;
        int size;               /* The size of an object including meta data */
@@ -103,11 +103,6 @@ struct kmem_cache {
        int remote_node_defrag_ratio;
        struct kmem_cache_node *node[MAX_NUMNODES];
 #endif
-#ifdef CONFIG_SMP
-       struct kmem_cache_cpu *cpu_slab[NR_CPUS];
-#else
-       struct kmem_cache_cpu cpu_slab;
-#endif
 };
 
 /*
@@ -134,11 +129,21 @@ struct kmem_cache {
 
 #define SLUB_PAGE_SHIFT (PAGE_SHIFT + 2)
 
+#ifdef CONFIG_ZONE_DMA
+#define SLUB_DMA __GFP_DMA
+/* Reserve extra caches for potential DMA use */
+#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT - 6)
+#else
+/* Disable DMA functionality */
+#define SLUB_DMA (__force gfp_t)0
+#define KMALLOC_CACHES SLUB_PAGE_SHIFT
+#endif
+
 /*
  * We keep the general caches in an array of slab caches that are used for
  * 2^x bytes of allocations.
  */
-extern struct kmem_cache kmalloc_caches[SLUB_PAGE_SHIFT];
+extern struct kmem_cache kmalloc_caches[KMALLOC_CACHES];
 
 /*
  * Sorry that the following has to be that ugly but some versions of GCC
@@ -152,12 +157,10 @@ static __always_inline int kmalloc_index(size_t size)
        if (size <= KMALLOC_MIN_SIZE)
                return KMALLOC_SHIFT_LOW;
 
-#if KMALLOC_MIN_SIZE <= 64
-       if (size > 64 && size <= 96)
+       if (KMALLOC_MIN_SIZE <= 32 && size > 64 && size <= 96)
                return 1;
-       if (size > 128 && size <= 192)
+       if (KMALLOC_MIN_SIZE <= 64 && size > 128 && size <= 192)
                return 2;
-#endif
        if (size <=          8) return 3;
        if (size <=         16) return 4;
        if (size <=         32) return 5;
@@ -208,17 +211,10 @@ static __always_inline struct kmem_cache *kmalloc_slab(size_t size)
        return &kmalloc_caches[index];
 }
 
-#ifdef CONFIG_ZONE_DMA
-#define SLUB_DMA __GFP_DMA
-#else
-/* Disable DMA functionality */
-#define SLUB_DMA (__force gfp_t)0
-#endif
-
 void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
 void *__kmalloc(size_t size, gfp_t flags);
 
-#ifdef CONFIG_KMEMTRACE
+#ifdef CONFIG_TRACING
 extern void *kmem_cache_alloc_notrace(struct kmem_cache *s, gfp_t gfpflags);
 #else
 static __always_inline void *
@@ -233,8 +229,8 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
        unsigned int order = get_order(size);
        void *ret = (void *) __get_free_pages(flags | __GFP_COMP, order);
 
-       kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, _THIS_IP_, ret,
-                            size, PAGE_SIZE << order, flags);
+       kmemleak_alloc(ret, size, 1, flags);
+       trace_kmalloc(_THIS_IP_, ret, size, PAGE_SIZE << order, flags);
 
        return ret;
 }
@@ -255,9 +251,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
 
                        ret = kmem_cache_alloc_notrace(s, flags);
 
-                       kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC,
-                                            _THIS_IP_, ret,
-                                            size, s->size, flags);
+                       trace_kmalloc(_THIS_IP_, ret, size, s->size, flags);
 
                        return ret;
                }
@@ -269,7 +263,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags)
 void *__kmalloc_node(size_t size, gfp_t flags, int node);
 void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
 
-#ifdef CONFIG_KMEMTRACE
+#ifdef CONFIG_TRACING
 extern void *kmem_cache_alloc_node_notrace(struct kmem_cache *s,
                                           gfp_t gfpflags,
                                           int node);
@@ -296,9 +290,8 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
 
                ret = kmem_cache_alloc_node_notrace(s, flags, node);
 
-               kmemtrace_mark_alloc_node(KMEMTRACE_TYPE_KMALLOC,
-                                         _THIS_IP_, ret,
-                                         size, s->size, flags, node);
+               trace_kmalloc_node(_THIS_IP_, ret,
+                                  size, s->size, flags, node);
 
                return ret;
        }