> 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 Sean -- 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