Re: [External] RE: kernel warning percpu ref in obj_cgroup_release

2021-03-31 Thread Andrew Morton
On Wed, 31 Mar 2021 22:45:12 +0800 Muchun Song wrote: > > Hi Andrew, > > Now we have two choices to fix this issue. > > 1) Send a v6 patchset (Use obj_cgroup APIs to charge kmem pages) > to fix this issue. > 2) Send a separate fix patch (Just like above). > > Both ways are ok for me. But

Re: [External] RE: kernel warning percpu ref in obj_cgroup_release

2021-03-31 Thread Muchun Song
On Wed, Mar 31, 2021 at 2:22 PM Christian Borntraeger wrote: > > > > On 30.03.21 18:25, Muchun Song wrote: > > On Tue, Mar 30, 2021 at 11:10 PM Christian Borntraeger > > wrote: > >> > >> > >> On 30.03.21 15:49, Muchun Song wrote: > >>> On Tue, Mar 30, 2021 at 9:27 PM Christian Borntraeger > >>>

Re: [External] RE: kernel warning percpu ref in obj_cgroup_release

2021-03-31 Thread Muchun Song
On Wed, Mar 31, 2021 at 2:22 PM Christian Borntraeger wrote: > > > > On 30.03.21 18:25, Muchun Song wrote: > > On Tue, Mar 30, 2021 at 11:10 PM Christian Borntraeger > > wrote: > >> > >> > >> On 30.03.21 15:49, Muchun Song wrote: > >>> On Tue, Mar 30, 2021 at 9:27 PM Christian Borntraeger > >>>

RE: kernel warning percpu ref in obj_cgroup_release

2021-03-30 Thread Christian Borntraeger
On 30.03.21 18:25, Muchun Song wrote: On Tue, Mar 30, 2021 at 11:10 PM Christian Borntraeger wrote: On 30.03.21 15:49, Muchun Song wrote: On Tue, Mar 30, 2021 at 9:27 PM Christian Borntraeger wrote: So bisect shows this for belows warning: Thanks for your effort on this. Can you shar

Re: [External] RE: kernel warning percpu ref in obj_cgroup_release

2021-03-30 Thread Muchun Song
On Tue, Mar 30, 2021 at 11:10 PM Christian Borntraeger wrote: > > > On 30.03.21 15:49, Muchun Song wrote: > > On Tue, Mar 30, 2021 at 9:27 PM Christian Borntraeger > > wrote: > >> > >> So bisect shows this for belows warning: > > > > Thanks for your effort on this. Can you share your config? > >

RE: kernel warning percpu ref in obj_cgroup_release

2021-03-30 Thread Christian Borntraeger
On 30.03.21 15:49, Muchun Song wrote: On Tue, Mar 30, 2021 at 9:27 PM Christian Borntraeger wrote: So bisect shows this for belows warning: Thanks for your effort on this. Can you share your config? attached (but its s390x) for next-20210330 The problem goes away when I add cgroup_contro

Re: [External] Re: kernel warning percpu ref in obj_cgroup_release

2021-03-30 Thread Muchun Song
On Tue, Mar 30, 2021 at 9:27 PM Christian Borntraeger wrote: > > So bisect shows this for belows warning: Thanks for your effort on this. Can you share your config? > > 636c3ef8229ecb4e7d045e86f36505d24a8f019a is the first bad commit > commit 636c3ef8229ecb4e7d045e86f36505d24a8f019a > Author: Mu

Re: kernel warning percpu ref in obj_cgroup_release

2021-03-30 Thread Christian Borntraeger
So bisect shows this for belows warning: 636c3ef8229ecb4e7d045e86f36505d24a8f019a is the first bad commit commit 636c3ef8229ecb4e7d045e86f36505d24a8f019a Author: Muchun Song Date: Mon Mar 29 11:12:06 2021 +1100 mm: memcontrol: use obj_cgroup APIs to charge kmem pages Since Roman'