From: Mel Gorman <mgorman@xxxxxxx> Date: Thu, 17 May 2012 15:50:27 +0100 > In order to make sure pfmemalloc packets receive all memory > needed to proceed, ensure processing of pfmemalloc SKBs happens > under PF_MEMALLOC. This is limited to a subset of protocols that > are expected to be used for writing to swap. Taps are not allowed to > use PF_MEMALLOC as these are expected to communicate with userspace > processes which could be paged out. > > [a.p.zijlstra@xxxxxxxxx: Ideas taken from various patches] > [jslaby@xxxxxxx: Lock imbalance fix] > Signed-off-by: Mel Gorman <mgorman@xxxxxxx> Acked-by: David S. Miller <davem@xxxxxxxxxxxxx> -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>