On Wed, Sep 15, 2010 at 07:16:57PM +0200, Andrea Arcangeli wrote: > From: Andrea Arcangeli <aarcange@xxxxxxxxxx> > > The below bug in fork lead to the rmap walk finding the parent huge-pmd twice > instead of just one, because the anon_vma_chain objects of the child vma still > point to the vma->vm_mm of the parent. The below patch fixes it by making the > rmap walk accurate during fork. It's not a big deal normally but it > worth being accurate considering the cost is the same. > > Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> Acked-by: Johannes Weiner <jweiner@xxxxxxxxxx> -- 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>