On Fri, Feb 07, 2014 at 01:19:54PM -0200, Rafael Aquini wrote: > Changes committed by "a0b8cab3 mm: remove lru parameter from > __pagevec_lru_add and remove parts of pagevec API" have introduced > a call to add_to_page_cache_lru() which causes a leak in nfs_symlink() > as now the page gets an extra refcount that is not dropped. > > Jan Stancek observed and reported the leak effect while running test8 from > Connectathon Testsuite. After several iterations over the test case, > which creates several symlinks on a NFS mountpoint, the test system was > quickly getting into an out-of-memory scenario. > > This patch fixes the page leak by dropping that extra refcount > add_to_page_cache_lru() is grabbing. > > Signed-off-by: Jan Stancek <jstancek@xxxxxxxxxx> > Signed-off-by: Rafael Aquini <aquini@xxxxxxxxxx> Thanks. Acked-by: Mel Gorman <mgorman@xxxxxxx> It should be cc'd for stable for 3.11 and later kernels. -- Mel Gorman SUSE Labs -- 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>