X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Fslub_def.h;h=6207a3d8da7150abbb8c1361331b5f4945162b66;hb=82afee684fe3badaf5ee3fc5b6fda687d558bfb5;hp=a0ad37463d623ec1a933c7bc7c3cb8c966b15ff6;hpb=bb3d2dd72302ea3eefcc6738cdd39ed5864b62f8;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index a0ad37463d6..6207a3d8da7 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -28,7 +28,7 @@ struct kmem_cache {
 	int size;		/* The size of an object including meta data */
 	int objsize;		/* The size of an object without meta data */
 	int offset;		/* Free pointer offset. */
-	unsigned int order;
+	int order;
 
 	/*
 	 * Avoid an extra cache line for UP, SMP and for the node local to
@@ -56,7 +56,13 @@ struct kmem_cache {
 /*
  * Kmalloc subsystem.
  */
-#define KMALLOC_SHIFT_LOW 3
+#if defined(ARCH_KMALLOC_MINALIGN) && ARCH_KMALLOC_MINALIGN > 8
+#define KMALLOC_MIN_SIZE ARCH_KMALLOC_MINALIGN
+#else
+#define KMALLOC_MIN_SIZE 8
+#endif
+
+#define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
 
 /*
  * We keep the general caches in an array of slab caches that are used for
@@ -76,6 +82,9 @@ static inline int kmalloc_index(size_t size)
 	if (size > KMALLOC_MAX_SIZE)
 		return -1;
 
+	if (size <= KMALLOC_MIN_SIZE)
+		return KMALLOC_SHIFT_LOW;
+
 	if (size > 64 && size <= 96)
 		return 1;
 	if (size > 128 && size <= 192)