Merge commit 'tip/core/iommu' into amd-iommu/fixes

1 files changed, 3 insertions, 3 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index 379ff0bcbf6e..1b60f30cebfa 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -121,7 +121,6 @@ void __remove_from_page_cache(struct page *page)
         mapping->nrpages--;
         __dec_zone_page_state(page, NR_FILE_PAGES);
         BUG_ON(page_mapped(page));
-        mem_cgroup_uncharge_cache_page(page);
 
         /*
          * Some filesystems seem to re-dirty the page even after
@@ -145,6 +144,7 @@ void remove_from_page_cache(struct page *page)
         spin_lock_irq(&mapping->tree_lock);
         __remove_from_page_cache(page);
         spin_unlock_irq(&mapping->tree_lock);
+        mem_cgroup_uncharge_cache_page(page);
 }
 
 static int sync_page(void *word)
@@ -476,13 +476,13 @@ int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
                 if (likely(!error)) {
                         mapping->nrpages++;
                         __inc_zone_page_state(page, NR_FILE_PAGES);
+                        spin_unlock_irq(&mapping->tree_lock);
                 } else {
                         page->mapping = NULL;
+                        spin_unlock_irq(&mapping->tree_lock);
                         mem_cgroup_uncharge_cache_page(page);
                         page_cache_release(page);
                 }
-
-                spin_unlock_irq(&mapping->tree_lock);
                 radix_tree_preload_end();
         } else
                 mem_cgroup_uncharge_cache_page(page);