On Mon, 7 Feb 2011 16:47:36 -0800 Michel Lespinasse <walken@xxxxxxxxxx> wrote: > If the page is going to be written to, __do_page needs to break COW. > However, the old page (before breaking COW) was never mapped mapped into > the current pte (__do_fault is only called when the pte is not present), > so vmscan can't have marked the old page as PageMlocked due to being > mapped in __do_fault's VMA. Therefore, __do_fault() does not need to worry > about clearing PageMlocked() on the old page. > > Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> -- 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>