Messages in this thread | | | Date | Fri, 21 Mar 2014 18:36:56 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH] mm: numa: Recheck for transhuge pages under lock during protection changes |
| |
On 03/21/2014 06:06 PM, Andrew Morton wrote: > On Wed, 19 Mar 2014 14:38:32 +0000 Mel Gorman<mgorman@suse.de> wrote: > >> >On Fri, Mar 14, 2014 at 11:15:37PM -0400, Sasha Levin wrote: >>> > >On 03/12/2014 06:36 AM, Mel Gorman wrote: >>>> > > >Andrew, this should go with the patches >>>> > > >mmnuma-reorganize-change_pmd_range.patch >>>> > > >mmnuma-reorganize-change_pmd_range-fix.patch >>>> > > >move-mmu-notifier-call-from-change_protection-to-change_pmd_range.patch >>>> > > >in mmotm please. >>>> > > > >>>> > > >Thanks. >>>> > > > >>>> > > >---8<--- >>>> > > >From: Mel Gorman<mgorman@suse.de> >>>> > > >Subject: [PATCH] mm: numa: Recheck for transhuge pages under lock during protection changes >>>> > > > >>>> > > >Sasha Levin reported the following bug using trinity >>> > > >>> > >I'm seeing a different issue with this patch. A NULL ptr deref occurs in the >>> > >pte_offset_map_lock() macro right before the new recheck code: >>> > > >> > >> >This on top? >> > >> >I tried testing it but got all sorts of carnage that trinity throw up >> >in the mix and ordinary testing does not trigger the race. I've no idea >> >which of the current mess of trinity-exposed bugs you've encountered and >> >got fixed already. >> > > Where are we at with this one?
Looking good here, haven't seen any of the issues reported in this thread.
Thanks, Sasha
| |