On Sun, Nov 13, 2011 at 01:37:42AM +0900, Minchan Kim wrote: > Now compaction doesn't handle mlocked page as it uses __isolate_lru_page > which doesn't consider unevicatable page. It has been used by just lumpy so > it was pointless that it isolates unevictable page. But the situation is > changed. Compaction could handle unevictable page and it can help getting > big contiguos pages in fragment memory by many pinned page with mlock. This may result in applications unexpectedly faulting and waiting on mlocked pages under migration. I wonder how realtime people feel about that? -- 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>