On Mon, Mar 28, 2011 at 7:58 AM, Sean Noonan <Sean.Noonan@xxxxxxxxxxxx> wrote: >> Regarding the deadlock: I am curious to see if it could be made to >> happen before 5ecfda041e4b4bd858d25bbf5a16c2a6c06d7272. Could you test >> what happens if you remove the MAP_POPULATE flag from your mmap call, >> and instead read all pages from userspace right after the mmap ? I >> expect you would then be able to trigger the deadlock before >> 5ecfda041e4b4bd858d25bbf5a16c2a6c06d7272. > > I still see the deadlock without MAP_POPULATE Could you test if you see the deadlock before 5ecfda041e4b4bd858d25bbf5a16c2a6c06d7272 without MAP_POPULATE ? -- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies. -- 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>