CK2 [11/15] Common definition for the array of kmalloc caches

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Have a common definition fo the kmalloc cache arrays in
SLAB and SLUB

Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Index: linux/mm/slab_common.c
===================================================================
--- linux.orig/mm/slab_common.c	2012-09-28 13:31:22.809287368 -0500
+++ linux/mm/slab_common.c	2012-09-28 13:41:04.541431894 -0500
@@ -251,5 +251,13 @@ struct kmem_cache *__init create_kmalloc
 	return s;
 }
 
+struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1];
+EXPORT_SYMBOL(kmalloc_caches);
+
+#ifdef CONFIG_ZONE_DMA
+struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
+EXPORT_SYMBOL(kmalloc_dma_caches);
+#endif
+
 #endif /* !CONFIG_SLOB */
 
Index: linux/include/linux/slub_def.h
===================================================================
--- linux.orig/include/linux/slub_def.h	2012-09-28 13:41:01.125360578 -0500
+++ linux/include/linux/slub_def.h	2012-09-28 13:41:04.541431894 -0500
@@ -119,12 +119,6 @@ struct kmem_cache {
 #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[KMALLOC_SHIFT_HIGH + 1];
-
-/*
  * Find the slab cache for a given combination of allocation flags and size.
  *
  * This ought to end up with a global pointer to the right cache
Index: linux/mm/slub.c
===================================================================
--- linux.orig/mm/slub.c	2012-09-28 13:41:01.129360663 -0500
+++ linux/mm/slub.c	2012-09-28 13:41:04.541431894 -0500
@@ -3174,13 +3174,6 @@ int __kmem_cache_shutdown(struct kmem_ca
  *		Kmalloc subsystem
  *******************************************************************/
 
-struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1];
-EXPORT_SYMBOL(kmalloc_caches);
-
-#ifdef CONFIG_ZONE_DMA
-static struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
-#endif
-
 static int __init setup_slub_min_order(char *str)
 {
 	get_option(&str, &slub_min_order);
Index: linux/include/linux/slab.h
===================================================================
--- linux.orig/include/linux/slab.h	2012-09-28 13:41:01.125360578 -0500
+++ linux/include/linux/slab.h	2012-09-28 13:41:04.541431894 -0500
@@ -189,6 +189,11 @@ struct kmem_cache {
 #define KMALLOC_MIN_SIZE (1 << KMALLOC_SHIFT_LOW)
 #endif
 
+extern struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1];
+#ifdef CONFIG_ZONE_DMA
+extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
+#endif
+
 /*
  * Figure out which kmalloc slab an allocation of a certain size
  * belongs to.

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