1 files changed, 12 insertions, 0 deletions

diff --git a/mm/truncate.c b/mm/truncate.c
index 8563339041f6..dd9ebc1da356 100644
--- 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);