mm/sl[aou]b: Move kmallocXXX functions to common code

[pandora-kernel.git] / mm / slab_common.c

diff --git a/mm/slab_common.c b/mm/slab_common.c
index eacdffa..a344327 100644 (file)
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -19,6 +19,7 @@
 #include <asm/tlbflush.h>
 #include <asm/page.h>
 #include <linux/memcontrol.h>
+#include <trace/events/kmem.h>
 
 #include "slab.h"
 
@@ -373,8 +374,10 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags)
 {
        int index;
 
-       if (WARN_ON_ONCE(size > KMALLOC_MAX_SIZE))
+       if (unlikely(size > KMALLOC_MAX_SIZE)) {
+               WARN_ON_ONCE(!(flags & __GFP_NOWARN));
                return NULL;
+       }
 
        if (size <= 192) {
                if (!size)
@@ -446,18 +449,18 @@ void __init create_kmalloc_caches(unsigned long flags)
                if (!kmalloc_caches[i]) {
                        kmalloc_caches[i] = create_kmalloc_cache(NULL,
                                                        1 << i, flags);
+               }
 
-                       /*
-                        * Caches that are not of the two-to-the-power-of size.
-                        * These have to be created immediately after the
-                        * earlier power of two caches
-                        */
-                       if (KMALLOC_MIN_SIZE <= 32 && !kmalloc_caches[1] && i == 6)
-                               kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, flags);
+               /*
+                * Caches that are not of the two-to-the-power-of size.
+                * These have to be created immediately after the
+                * earlier power of two caches
+                */
+               if (KMALLOC_MIN_SIZE <= 32 && !kmalloc_caches[1] && i == 6)
+                       kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, flags);
 
-                       if (KMALLOC_MIN_SIZE <= 64 && !kmalloc_caches[2] && i == 7)
-                               kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, flags);
-               }
+               if (KMALLOC_MIN_SIZE <= 64 && !kmalloc_caches[2] && i == 7)
+                       kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, flags);
        }
 
        /* Kmalloc array is now usable */
@@ -493,6 +496,15 @@ void __init create_kmalloc_caches(unsigned long flags)
 }
 #endif /* !CONFIG_SLOB */
 
+#ifdef CONFIG_TRACING
+void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
+{
+       void *ret = kmalloc_order(size, flags, order);
+       trace_kmalloc(_RET_IP_, ret, size, PAGE_SIZE << order, flags);
+       return ret;
+}
+EXPORT_SYMBOL(kmalloc_order_trace);
+#endif
 
 #ifdef CONFIG_SLABINFO