On Fri, Sep 03, 2010 at 01:02:59PM -0700, Andrew Morton wrote: > On Fri, 3 Sep 2010 17:39:58 +0200 > Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote: > > > The pte_same check is reliable only if the swap entry remains pinned > > (by the page lock on swapcache). We've also to ensure the swapcache > > isn't removed before we take the lock as try_to_free_swap won't care > > about the page pin. > > What were the end-user-observeable effects of this bug? I found it by code review only. > Do we think the fix should be backported into earlier kernels? Considering I didn't see user-observable effects it's up to you. -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>