Received-SPF: pass (google.com: domain of linux-kernel+bounces-203529-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3;
Date: Thu, 6 Jun 2024 10:15:54 +0800
From: Oliver Sang <oliver.sang@intel.com>
To: Yang Shi <shy828301@gmail.com>
CC: David Hildenbrand <david@redhat.com>, Peter Xu <peterx@redhat.com>, "Jason
 Gunthorpe" <jgg@nvidia.com>, Vivek Kasireddy <vivek.kasireddy@intel.com>, Rik
 van Riel <riel@surriel.com>, <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
	<linux-kernel@vger.kernel.org>, Andrew Morton <akpm@linux-foundation.org>,
	Matthew Wilcox <willy@infradead.org>, Christopher Lameter <cl@linux.com>,
	<linux-mm@kvack.org>, <oliver.sang@intel.com>
Subject: Re: [linus:master] [mm] efa7df3e3b:
 kernel_BUG_at_include/linux/page_ref.h
Message-ID: <ZmEb2mdAbBQ/9PMP@xsang-OptiPlex-9020>
References: <CAHbLzkqphyX473LBCXXf8rWEr-8m2PB--CT0cwCax3mUyZPGhA@mail.gmail.com>
 <CAHbLzkqG=9VmAcOgFr-50ZdZtf7xj2PqpfD3UHUsMX3jR=+snw@mail.gmail.com>
 <f4599bd2-72af-4e8d-a0fe-153b69816133@redhat.com>
 <CAHbLzkrOspjVuQw=BN2+RZmV_Ydpz_50yY7FEakJw8Zm14Y9-Q@mail.gmail.com>
 <a088b5cf-503e-4ed7-b427-f17a9ec5d1a8@redhat.com>
 <CAHbLzkpnDPYWq=HnaJcKhKnppdNikX4YG+1Ysu8Z+XJCoKK4SQ@mail.gmail.com>
 <CAHbLzkr5K=4Shiyb5KgPTQ20jE2Zo08wK=mT3Ez9ADEdJe0Z9A@mail.gmail.com>
 <Zl3M7iniPQaPFDrW@xsang-OptiPlex-9020>
 <CAHbLzkrOTAaYahG4JYMNrJDhQNZZxW9u+2n71J=v1XYJEVpUdw@mail.gmail.com>
 <CAHbLzkr16YZ80ES5U4BEWJ+ueL22nDJtgH=eOztdHfy080diPw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <CAHbLzkr16YZ80ES5U4BEWJ+ueL22nDJtgH=eOztdHfy080diPw@mail.gmail.com>
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?OVIrU3N1L0hpR2ZxbG5OdXJsaXZURktHYzRTNmU0MEtnTDBIVGozMkZHbTgx?=
 =?utf-8?B?KzRYaytMQTVDUTRlalVLVnFURnJQMkwwRzdPdDlrUUQyNzdvV1RtN2JIZFBx?=
 =?utf-8?B?VTdKbzBBMVFUaTZBanplL0RlWGxMVERzUG80TEJBeklWWk9sUTBRVzFGRE4y?=
 =?utf-8?B?S1JWMThqdHFtOFRRTWtwYTh5NHQxdDNBVUhYODF4aHNLS2xEMW1iVTdhVFZI?=
 =?utf-8?B?RGkzQUR5VTY2TThtbmlmSElncDlrS0ZWYTczaG1xdDNoald1ank2UlJnTGtR?=
 =?utf-8?B?NjhYNzhPdENyenp5b2xjZUZKdTFpcXlZT0hVQU1tZ05GK0hiUDJHOXh4bXQ5?=
 =?utf-8?B?R1grcC9XdURLSmlpR3VUcGxlMWZQVnVNVE1yVzFvTFY4SVFibnU1WXlkT0Zx?=
 =?utf-8?B?QmkzQlE5MTdOK285ZE5WSTh6U2hvOXdxRjdRT3NBNnFMSlRnU3RwdzU0b29H?=
 =?utf-8?B?eWNoRm81T0NpQnpLcEE3RUdaOFBKc01ldmxHL1MyMzJUY3Z3L0VlLzNnQzNr?=
 =?utf-8?B?YmY1OS94TVhHZ2hIbld1ZEh4SlN2c3JUOXR0dEkycnlpSmJCQkVLeTdEZDV3?=
 =?utf-8?B?T01FbXQvNFl4ZnhyVGRYcnhQZUJ6SlZ4UUI3aUgrdzVJY2s2ZWFHT3RCajh4?=
 =?utf-8?B?dDNqeGNmNVRZbzhudW9JVDluTzFNSFhxS3RBMDAwMGxhYUVmOThSSzNLblo1?=
 =?utf-8?B?NklDaXRoZ1BIcThpeDNMSFhEaHArUkFIbkZSNUdiQWxMc1ZoS09Ub0hUUzVu?=
 =?utf-8?B?OEVYMXIvWk1ZYkNabFJOWHQrdXZBdDNxUk93SjRSUHZkQ0pDbjJwS3d2NmF4?=
 =?utf-8?B?Y3Z1TUxEMnI3ZDR4bG9RYVBCaGNwaFhXUlprcnlxL2dZRm93WVNUdmlJa2tm?=
 =?utf-8?B?aG16WldwYTRvYjBtSEZYdHdmczBZRkY4WE9lSHhnWUJWTkZiS2ZTd3dGaHRq?=
 =?utf-8?B?aU5lRnVIL0tYWTJ1WmNqbU5oZlNRU0JQUDA4SmZqTlZxSzdDMkphRUNYTkta?=
 =?utf-8?B?Wk1YZHEwSExnd01PU3Y0K2paaGVZZTZGREFhWWh4NWM2UDdJeGtMSjlNS3gr?=
 =?utf-8?B?U1dJVVdQNnVKM2p4RTVteXVrU2VNdFFsclpOVHpnSmpuSXhXQ3lDK2l0MUNL?=
 =?utf-8?B?WkJuR0VGMEE1a2FRMEo5Y2UxWlNHczNways1M0FKRU5FQUg4WFhTUEpUU0lD?=
 =?utf-8?B?eHBYRjVNZHRzOUU1RUYwaFJZZHcyRzVaSCtZaFVtSkNoTjNaODA4Q3pzSzhX?=
 =?utf-8?B?MXZLa01mLzJ0Rk16L3BwQThCSVM5dXJxTTlUTG81aFQxU1hERHEzVEFTcDNn?=
 =?utf-8?B?U0RVZmJSKzJha0hJYzFPNmNjVGh5RzNmWmhDR2FRS2d1SCtuM3JzRzFsTk1i?=
 =?utf-8?B?OXcwUTlFV3VtRHBYblkycDFqZ2ZWOWhkSWg0dmtITXhhbURnZE1BU1E4L0hE?=
 =?utf-8?B?Kzl6RFJ0Y3JWa2xHem9PYzl3bFI0OWx4c00zNjlCWklnUjZheWl1aFdLMmpK?=
 =?utf-8?B?dG1PSlNESE9OMkwvMVZsZVcyWUFtVFdHQk8yd09TYkgvenUxeUlOckJHcnFj?=
 =?utf-8?B?ZVJVaTlPZ3hVTHd0TnVrTHE1NVlHMDNVTTdGdis1VUdnSFNKZ25DV3pxZXdW?=
 =?utf-8?B?RDdWQmIrZmRxekZsY2N0K2x5RXZpQXdWRDNLR3BVYi9TZjhqbDFKd2p6enpz?=
 =?utf-8?B?S1VTOGFyTG1CRXVOdGZjU2ZhWHRxOTE1c2hrV1FzaXBmU01uVFVzMjQ4TVpi?=
 =?utf-8?B?dEhFSzJPN2d2SkVaU2xBZU1hU2ZQVmgweExneVlXTWhka3YxMC9QL2IxVHhn?=
 =?utf-8?B?cUJ2bXdONU9nZXNUeTJRSFQxR2laMUZZVzVsTHVoN3pkNlFRU2Z0azdrR1FK?=
 =?utf-8?B?MzlnakpZdFdON1NsSWFoL0tCeE5saEFIMVIrM1pzdTJJaC9WYWtQTHhWdXF5?=
 =?utf-8?B?d1BvcC9WelFhN1R3bHp2ZFVQa2JIK0h4UXI2SDBtbi9ncHlnUUxrWlF3R3la?=
 =?utf-8?B?WlpYUmlibnlFRHRGU3J4dG9qZUNaazYrSGkrbDJIWGFaZGdlNlpOVTBkdHgr?=
 =?utf-8?B?WlA2NzhEUlJSN05XMTNtc1Y4RTBuV1loR3F1dFlseWw3aXRiMEVmTU9paGMy?=
 =?utf-8?B?RjRsckF0WVduOFNYWG0rUk9lYXZIWUlYRDlLTkNPd1VDYUNpUkZTejVvYkFS?=
 =?utf-8?B?Y3c9PQ==?=
X-MS-Exchange-CrossTenant-Network-Message-Id: 585808d7-dae2-435f-d3ce-08dc85ce9db9
X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jun 2024 02:16:03.6766
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: NsRn+JFfsFjzHix2a78mfJQk1gOikrF6qxAlnYsgAV+orkloQ0y/02DC0Tu71D75iqBBebr3SpHqRcyoBWuOgg==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR11MB7601
X-OriginatorOrg: intel.com

hi, Yang Shi,

On Tue, Jun 04, 2024 at 04:53:56PM -0700, Yang Shi wrote:
> On Mon, Jun 3, 2024 at 9:54 AM Yang Shi <shy828301@gmail.com> wrote:
> >
> > On Mon, Jun 3, 2024 at 7:02 AM Oliver Sang <oliver.sang@intel.com> wrote:
> > >
> > > hi, Yang Shi,
> > >
> > > On Fri, May 31, 2024 at 01:57:06PM -0700, Yang Shi wrote:
> > > > Hi Oliver,
> > > >
> > > > I just came up with a quick patch (just build test) per the discussion
> > > > and attached, can you please to give it a try? Once it is verified, I
> > > > will refine the patch and submit for review.
> > >
> > > what's the base of this patch? I tried to apply it upon efa7df3e3b or
> > > v6.10-rc2. both failed.
> >
> > Its base is mm-unstable. The head commit is 8e06d6b9274d ("mm: add
> > swappiness= arg to memory.reclaim"). Sorry for the confusion, I should
> > have mentioned this.
> 
> I just figured out a bug in the patch. Anyway, we are going to take a
> different approach to fix the issue per the discussion. I already sent
> the series to the mailing list. Please refer to
> https://lore.kernel.org/linux-mm/20240604234858.948986-1-yang@os.amperecomputing.com/

got it. seems you will submit v2? should we wait v2 to do the tests?

sorry that due to resource constraint, we cannot respond test request very
quickly now.

> 
> >
> > >
> > > >
> > > > Thanks,
> > > > Yang
> > > >
> > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Cheers,
> > > > > >
> > > > > > David / dhildenb
> > > > > >
> > >
> > >
>