Input: gpio_keys_polled - switch to using polled mode of input devices

[linux.git] / mm / truncate.c

diff --git a/mm/truncate.c b/mm/truncate.c
index 8563339041f68c4a602ab364f913636071ccda70..dd9ebc1da35664d04dd508539b34fb96dc764f28 100644 (file)
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -592,6 +592,16 @@ unsigned long invalidate_mapping_pages(struct address_space *mapping,
                                        unlock_page(page);
                                        continue;
                                }
+
+                               /* Take a pin outside pagevec */
+                               get_page(page);
+
+                               /*
+                                * Drop extra pins before trying to invalidate
+                                * the huge page.
+                                */
+                               pagevec_remove_exceptionals(&pvec);
+                               pagevec_release(&pvec);
                        }
 
                        ret = invalidate_inode_page(page);
@@ -602,6 +612,8 @@ unsigned long invalidate_mapping_pages(struct address_space *mapping,
                         */
                        if (!ret)
                                deactivate_file_page(page);
+                       if (PageTransHuge(page))
+                               put_page(page);
                        count += ret;
                }
                pagevec_remove_exceptionals(&pvec);