From: Mel Gorman <mgorman@xxxxxxx> Date: Thu, 17 May 2012 15:50:24 +0100 > Change the skb allocation API to indicate RX usage and use this to fall > back to the PFMEMALLOC reserve when needed. SKBs allocated from the > reserve are tagged in skb->pfmemalloc. If an SKB is allocated from > the reserve and the socket is later found to be unrelated to page > reclaim, the packet is dropped so that the memory remains available > for page reclaim. Network protocols are expected to recover from this > packet loss. > > [davem@xxxxxxxxxxxxx: Use static branches, coding style corrections] > [a.p.zijlstra@xxxxxxxxx: Ideas taken from various patches] > 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>