Messages in this thread | | | Date | Fri, 05 Mar 2010 09:10:53 -0500 | From | Rik van Riel <> | Subject | Re: [PATCH] rmap: Fix Bugzilla Bug #5493 |
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On 03/05/2010 04:38 AM, Christian Ehrhardt wrote: > > Hi, > > this patch fixes bugzilla Bug > > http://bugzilla.kernel.org/show_bug.cgi?id=5493 > > This bug describes a search complexity failure in rmap if a single > anon_vma has a huge number of vmas associated with it. > > The patch makes the vma prio tree code somewhat more reusable and then uses > that to replace the linked list of vmas in an anon_vma with a prio_tree.
Your patch will not apply against a current -mm, because it conflicts with my anon_vma linking patches (which attacks another "rmap walks too many vmas" failure mode).
Please rediff your patch against the latest -mm tree.
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