On Tue, Jun 14, 2016 at 03:10:21PM -0400, Sasha Levin wrote: > On 06/14/2016 01:52 AM, Joonsoo Kim wrote: > > On Mon, Jun 13, 2016 at 04:31:15PM -0400, Sasha Levin wrote: > >> > On 05/25/2016 10:37 PM, js1304@xxxxxxxxx wrote: > >>> > > From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> > >>> > > > >>> > > We don't need to split freepages with holding the zone lock. It will cause > >>> > > more contention on zone lock so not desirable. > >>> > > > >>> > > Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> > >> > > >> > Hey Joonsoo, > > Hello, Sasha. > >> > > >> > I'm seeing the following corruption/crash which seems to be related to > >> > this patch: > > Could you tell me why you think that following corruption is related > > to this patch? list_del() in __isolate_free_page() is unchanged part. > > > > Before this patch, we did it by split_free_page() -> > > __isolate_free_page() -> list_del(). With this patch, we do it by > > calling __isolate_free_page() directly. > > I haven't bisected it, but it's the first time I see this issue and this > commit seems to have done related changes that might cause this. > > I can go ahead with bisection if you don't think it's related. Hmm... I can't find a bug in this patch for now. There are more candidates on this area hat changed by me and it would be very helpful if you can do bisection. Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>