On Wed, 2011-01-26 at 06:16 +1000, Linus Torvalds wrote: > On Wed, Jan 26, 2011 at 3:31 AM, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote: > > > > This patch changes the anon_vma refcount to be 0 when the object is > > free. It does this by adding 1 ref to being in use in the anon_vma > > structure (iow. the anon_vma->head list is not empty). > > Why is this patch part of this series, rather than being an > independent patch before the whole series? > > I think this part of the series is the only total no-brainer, ie we > should have done this from the beginning. The preemptability stuff I'm > more nervous about (performance issues? semantic differences?) It relies on patch 19, which moves the anon_vma refcount out from under CONFIG_goo. If however you like it, I can move 19 and this patch up to the start and have that go your way soon. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
