[PATCH] fsync: extract internal code

[firefly-linux-kernel-4.4.55.git] / include / linux / slab.h

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 1fb77a9cc148d2a61e3e2f1d1b0b469b01620703..e2ee5b268797884427a4f81aff347980136de3e0 100644 (file)
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -38,7 +38,6 @@ typedef struct kmem_cache kmem_cache_t;
 #define        SLAB_DEBUG_INITIAL      0x00000200UL    /* Call constructor (as verifier) */
 #define        SLAB_RED_ZONE           0x00000400UL    /* Red zone objs in a cache */
 #define        SLAB_POISON             0x00000800UL    /* Poison objects */
-#define        SLAB_NO_REAP            0x00001000UL    /* never reap from the cache */
 #define        SLAB_HWCACHE_ALIGN      0x00002000UL    /* align objs on a h/w cache lines */
 #define SLAB_CACHE_DMA         0x00004000UL    /* use GFP_DMA memory */
 #define SLAB_MUST_HWCACHE_ALIGN        0x00008000UL    /* force alignment */
@@ -47,6 +46,7 @@ typedef struct kmem_cache kmem_cache_t;
                                                   what is reclaimable later*/
 #define SLAB_PANIC             0x00040000UL    /* panic if kmem_cache_create() fails */
 #define SLAB_DESTROY_BY_RCU    0x00080000UL    /* defer freeing pages to RCU */
+#define SLAB_MEM_SPREAD                0x00100000UL    /* Spread some memory over cpuset */
 
 /* flags passed to a constructor func */
 #define        SLAB_CTOR_CONSTRUCTOR   0x001UL         /* if not set, then deconstructor */
@@ -76,7 +76,14 @@ struct cache_sizes {
        kmem_cache_t    *cs_dmacachep;
 };
 extern struct cache_sizes malloc_sizes[];
+
+#ifndef CONFIG_DEBUG_SLAB
 extern void *__kmalloc(size_t, gfp_t);
+#else
+extern void *__kmalloc_track_caller(size_t, gfp_t, void*);
+#define __kmalloc(size, flags) \
+    __kmalloc_track_caller(size, flags, __builtin_return_address(0))
+#endif
 
 static inline void *kmalloc(size_t size, gfp_t flags)
 {
@@ -111,7 +118,7 @@ extern void *kzalloc(size_t, gfp_t);
  */
 static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
 {
-       if (n != 0 && size > INT_MAX / n)
+       if (n != 0 && size > ULONG_MAX / n)
                return NULL;
        return kzalloc(n * size, flags);
 }