Merge branch 'master'

3 files changed, 24 insertions, 21 deletions

diff --git a/mm/bootmem.c b/mm/bootmem.c
index 8ec4e4c2a17..c1330cc1978 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -61,17 +61,9 @@ static unsigned long __init init_bootmem_core (pg_data_t *pgdat,
 {
 	bootmem_data_t *bdata = pgdat->bdata;
 	unsigned long mapsize = ((end - start)+7)/8;
-	static struct pglist_data *pgdat_last;
-
-	pgdat->pgdat_next = NULL;
-	/* Add new nodes last so that bootmem always starts
-	   searching in the first nodes, not the last ones */
-	if (pgdat_last)
-		pgdat_last->pgdat_next = pgdat;
-	else {
-		pgdat_list = pgdat; 	
-		pgdat_last = pgdat;
-	}
+
+	pgdat->pgdat_next = pgdat_list;
+	pgdat_list = pgdat;
 
 	mapsize = ALIGN(mapsize, sizeof(long));
 	bdata->node_bootmem_map = phys_to_virt(mapstart << PAGE_SHIFT);
diff --git a/mm/mremap.c b/mm/mremap.c
index a32fed454bd..f343fc73a8b 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -141,10 +141,10 @@ move_one_page(struct vm_area_struct *vma, unsigned long old_addr,
 			if (dst) {
 				pte_t pte;
 				pte = ptep_clear_flush(vma, old_addr, src);
+
 				/* ZERO_PAGE can be dependant on virtual addr */
-				if (pfn_valid(pte_pfn(pte)) &&
-					pte_page(pte) == ZERO_PAGE(old_addr))
-					pte = pte_wrprotect(mk_pte(ZERO_PAGE(new_addr), new_vma->vm_page_prot));
+				pte = move_pte(pte, new_vma->vm_page_prot,
+							old_addr, new_addr);
 				set_pte_at(mm, new_addr, dst, pte);
 			} else
 				error = -ENOMEM;
diff --git a/mm/slab.c b/mm/slab.c
index c9adfce0040..5cbbdfa6dd0 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2510,16 +2510,12 @@ cache_alloc_debugcheck_after(kmem_cache_t *cachep,
 #define cache_alloc_debugcheck_after(a,b,objp,d) (objp)
 #endif
 
-
-static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
+static inline void *____cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
 {
-	unsigned long save_flags;
 	void* objp;
 	struct array_cache *ac;
 
-	cache_alloc_debugcheck_before(cachep, flags);
-
-	local_irq_save(save_flags);
+	check_irq_off();
 	ac = ac_data(cachep);
 	if (likely(ac->avail)) {
 		STATS_INC_ALLOCHIT(cachep);
@@ -2529,6 +2525,18 @@ static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast fl
 		STATS_INC_ALLOCMISS(cachep);
 		objp = cache_alloc_refill(cachep, flags);
 	}
+	return objp;
+}
+
+static inline void *__cache_alloc(kmem_cache_t *cachep, unsigned int __nocast flags)
+{
+	unsigned long save_flags;
+	void* objp;
+
+	cache_alloc_debugcheck_before(cachep, flags);
+
+	local_irq_save(save_flags);
+	objp = ____cache_alloc(cachep, flags);
 	local_irq_restore(save_flags);
 	objp = cache_alloc_debugcheck_after(cachep, flags, objp,
 					__builtin_return_address(0));
@@ -2856,7 +2864,10 @@ void *kmem_cache_alloc_node(kmem_cache_t *cachep, unsigned int __nocast flags, i
 
 	cache_alloc_debugcheck_before(cachep, flags);
 	local_irq_save(save_flags);
-	ptr = __cache_alloc_node(cachep, flags, nodeid);
+	if (nodeid == numa_node_id())
+		ptr = ____cache_alloc(cachep, flags);
+	else
+		ptr = __cache_alloc_node(cachep, flags, nodeid);
 	local_irq_restore(save_flags);
 	ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, __builtin_return_address(0));