> @@ -2245,7 +2252,10 @@ int test_set_page_writeback(struct page *page) > { > struct address_space *mapping = page_mapping(page); > int ret; > + bool locked; > + unsigned long flags; > > + mem_cgroup_begin_update_page_stat(page, &locked, &flags); > if (mapping) { > struct backing_dev_info *bdi = mapping->backing_dev_info; > unsigned long flags; > @@ -2272,6 +2282,8 @@ int test_set_page_writeback(struct page *page) > } > if (!ret) > account_page_writeback(page); > + > + mem_cgroup_end_update_page_stat(page, &locked, &flags); > return ret; > > } Where is the MEM_CGROUP_STAT_FILE_WRITEBACK increased? Thanks, Fengguang -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>