diff --git a/mm/slub.c b/mm/slub.c
index 644fd0a..4b3895c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2517,11 +2517,11 @@
  *		Kmalloc subsystem
  *******************************************************************/
 
-struct kmem_cache kmalloc_caches[PAGE_SHIFT] __cacheline_aligned;
+struct kmem_cache kmalloc_caches[PAGE_SHIFT + 1] __cacheline_aligned;
 EXPORT_SYMBOL(kmalloc_caches);
 
 #ifdef CONFIG_ZONE_DMA
-static struct kmem_cache *kmalloc_caches_dma[PAGE_SHIFT];
+static struct kmem_cache *kmalloc_caches_dma[PAGE_SHIFT + 1];
 #endif
 
 static int __init setup_slub_min_order(char *str)
@@ -2703,7 +2703,7 @@
 {
 	struct kmem_cache *s;
 
-	if (unlikely(size > PAGE_SIZE / 2))
+	if (unlikely(size > PAGE_SIZE))
 		return kmalloc_large(size, flags);
 
 	s = get_slab(size, flags);
@@ -2720,7 +2720,7 @@
 {
 	struct kmem_cache *s;
 
-	if (unlikely(size > PAGE_SIZE / 2))
+	if (unlikely(size > PAGE_SIZE))
 		return kmalloc_large(size, flags);
 
 	s = get_slab(size, flags);
@@ -3032,7 +3032,7 @@
 		caches++;
 	}
 
-	for (i = KMALLOC_SHIFT_LOW; i < PAGE_SHIFT; i++) {
+	for (i = KMALLOC_SHIFT_LOW; i <= PAGE_SHIFT; i++) {
 		create_kmalloc_cache(&kmalloc_caches[i],
 			"kmalloc", 1 << i, GFP_KERNEL);
 		caches++;
@@ -3059,7 +3059,7 @@
 	slab_state = UP;
 
 	/* Provide the correct kmalloc names now that the caches are up */
-	for (i = KMALLOC_SHIFT_LOW; i < PAGE_SHIFT; i++)
+	for (i = KMALLOC_SHIFT_LOW; i <= PAGE_SHIFT; i++)
 		kmalloc_caches[i]. name =
 			kasprintf(GFP_KERNEL, "kmalloc-%d", 1 << i);
 
@@ -3088,7 +3088,7 @@
 	if (slub_nomerge || (s->flags & SLUB_NEVER_MERGE))
 		return 1;
 
-	if ((s->flags & __PAGE_ALLOC_FALLBACK)
+	if ((s->flags & __PAGE_ALLOC_FALLBACK))
 		return 1;
 
 	if (s->ctor)
@@ -3252,7 +3252,7 @@
 {
 	struct kmem_cache *s;
 
-	if (unlikely(size > PAGE_SIZE / 2))
+	if (unlikely(size > PAGE_SIZE))
 		return kmalloc_large(size, gfpflags);
 
 	s = get_slab(size, gfpflags);
@@ -3268,7 +3268,7 @@
 {
 	struct kmem_cache *s;
 
-	if (unlikely(size > PAGE_SIZE / 2))
+	if (unlikely(size > PAGE_SIZE))
 		return kmalloc_large(size, gfpflags);
 
 	s = get_slab(size, gfpflags);