Messages in this thread | | | Subject | Re: [tip:numa/core] sched/numa/mm: Improve migration | From | Peter Zijlstra <> | Date | Fri, 19 Oct 2012 16:38:39 +0200 |
| |
On Fri, 2012-10-19 at 09:51 -0400, Johannes Weiner wrote: > Right now, unlike the traditional migration path, this breaks COW for > every migration, but maybe you don't care about shared pages in the > first place. And fixing that should be nothing more than grabbing the > anon_vma lock and using rmap to switch more than one pmd over, right? >
This patch was very much about getting _something_ rather than caring (too much) about all the weird corner cases.
And yes, your suggestion sounds about right.
| |