On Thu, Mar 29, 2012 at 04:39:39AM -0400, Naoya Horiguchi wrote: > commit: 025c5b2451e4 "thp: optimize away unnecessary page table locking" > moves spin_lock() into pmd_trans_huge_lock() in order to avoid locking > unless pmd is for thp. So this spin_lock() is a bug. > > Reported-by: Sasha Levin <levinsasha928@xxxxxxxxx> > Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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>