On Thu, Feb 10, 2011 at 11:11:25AM +0000, Mel Gorman wrote: > Before we goto this retry, there is at a cond_resched(). Just to confirm, > we are depending on mmap_sem to prevent khugepaged promoting this back to > a hugepage, right? I don't see a problem with that but I want to be > sure. Correct, and we depend on that everywhere as wait_split_huge_page has to run without holding spinlocks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx 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>