3 files changed, 11 insertions, 8 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index aecc9cdfdfce..5d714f8fb303 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1153,10 +1153,10 @@ again:
                          * properly detect and handle allocation failures.
                          *
                          * We most definitely don't want callers attempting to
-                         * allocate greater than single-page units with
+                         * allocate greater than order-1 page units with
                          * __GFP_NOFAIL.
                          */
-                        WARN_ON_ONCE(order > 0);
+                        WARN_ON_ONCE(order > 1);
                 }
                 spin_lock_irqsave(&zone->lock, flags);
                 page = __rmqueue(zone, order, migratetype);
diff --git a/mm/shmem.c b/mm/shmem.c
index 5f2019fc7895..d713239ce2ce 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1558,6 +1558,7 @@ static struct inode *shmem_get_inode(struct super_block *sb, int mode,
                 spin_lock_init(&info->lock);
                 info->flags = flags & VM_NORESERVE;
                 INIT_LIST_HEAD(&info->swaplist);
+                cache_no_acl(inode);
 
                 switch (mode & S_IFMT) {
                 default:
@@ -2379,10 +2380,6 @@ static struct inode *shmem_alloc_inode(struct super_block *sb)
         p = (struct shmem_inode_info *)kmem_cache_alloc(shmem_inode_cachep, GFP_KERNEL);
         if (!p)
                 return NULL;
-#ifdef CONFIG_TMPFS_POSIX_ACL
-        p->vfs_inode.i_acl = NULL;
-        p->vfs_inode.i_default_acl = NULL;
-#endif
         return &p->vfs_inode;
 }
 
diff --git a/mm/slub.c b/mm/slub.c
index ce62b770e2fc..819f056b39c6 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1085,11 +1085,17 @@ static struct page *allocate_slab(struct kmem_cache *s, gfp_t flags, int node)
 {
         struct page *page;
         struct kmem_cache_order_objects oo = s->oo;
+        gfp_t alloc_gfp;
 
         flags |= s->allocflags;
 
-        page = alloc_slab_page(flags | __GFP_NOWARN | __GFP_NORETRY, node,
-                                                                        oo);
+        /*
+         * Let the initial higher-order allocation fail under memory pressure
+         * so we fall-back to the minimum order allocation.
+         */
+        alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL;
+
+        page = alloc_slab_page(alloc_gfp, node, oo);
         if (unlikely(!page)) {
                 oo = s->min;
                 /*