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Mon, 15 Dec 2025 07:49:41 +0000 (GMT) Date: Mon, 15 Dec 2025 08:49:39 +0100 From: Alexander Gordeev To: Johannes Weiner Cc: Vlastimil Babka , Andrew Morton , Marc Hartmayer , linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/page_alloc: change all pageblocks migrate type on coalescing Message-ID: References: <20251212151457.3898073Add-agordeev@linux.ibm.com> <5e79bed1-598d-4e34-8f1e-87b6dba52bf8@suse.cz> <20251214160606.GA905277@cmpxchg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251214160606.GA905277@cmpxchg.org> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: JIJub7J5DXMnihwn6S63GJ7sHIpsKJ_W X-Authority-Analysis: v=2.4 cv=CLgnnBrD c=1 sm=1 tr=0 ts=693fbd99 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=kj9zAlcOel0A:10 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=Hnd01_47jJv9e3yHuFcA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: JIJub7J5DXMnihwn6S63GJ7sHIpsKJ_W X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjEzMDAwOSBTYWx0ZWRfX8yTGGcv2gyA1 zURzqJtX+YO4yogXW3v0DPGIJ8PvzkKLqdsM/EznvBWs6Bh+3e0Xbw5WqbNuSbdST7+JmElWU/o jZjlM+c1oJW/VgC/6M5qiYDvFrQZhsD1cZPqvq9/TmjuWfCEWDgJFYx8b9qTVep4zAdd6YA2GI9 KWq+QXtsHpbXIPeh7Cm6LVwkC4iizw4hCB3HvRcm6lczNxdJ4ce6m187JNGqPDNqcA01EvBnqve Pz704PuNX21cagbNl3VMOqz6uYW1zez+xL5RhPXgc9ZgU7FlxS1bcKfADenx6tFktVbKtKXqxP+ qs8nxkyJdKE+hvKaFfvH3CxYLV5iPnKgBsqHXkafOUMR8qwuR/VM9AE4t7S6krZ63Rerr6cNnuv j93EOjoOlm/nz8UCDJyX7o3YOJIyIw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-15_01,2025-12-15_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 lowpriorityscore=0 malwarescore=0 suspectscore=0 phishscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2512130009 X-Rspamd-Queue-Id: 013D01C0012 X-Rspamd-Server: rspam03 X-Stat-Signature: emprr7xy1wzydxujh73xdrbi5dnm8qhs X-Rspam-User: X-HE-Tag: 1765784986-437746 X-HE-Meta: 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 GHD6dAA0 zZM5dLgytN1H7+tm6JA8zUzBHKXZ8/7E77E0p73cCrP1hCv0zxD1wK6dyTnm3eXKMxScDwrdbe+RG/6lun4liSSOwLPwHgpVU59uF/ToaUjjM7NkRoTChg3j6nh2gkUqVWvpvV+HR8XsBsCy6x7wPrf/bq8qqclnUP/P73y12+TIYwM0aq9EcwewWxv/a+7R0tSNnD/IfA0BWppqox97dkQNs7CCxZ4xbIhNtrrImXGgLci4PZabHDcvsYDvCCMXrlYWmoG8GobZgQ4UTHlBFTFmIjuploLWv7rn0+Sjl4OMaf+WfQ2ePizGPz8fEDrnJo3y0sHgiMdOb+ANpea+yrixpfqXiM4pm13qXWompRdPMDL+PknHCbc31PiSjcKaShyJh X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, Dec 14, 2025 at 11:06:06AM -0500, Johannes Weiner wrote: Hi Johannes, > The warning makes the issue loud, but your patch is arguably fixing an > earlier commit that introduces type updates during merges. How about: > > Fixes: e6cf9e1c4cde ("mm: page_alloc: fix up block types when merging compatible blocks") > Cc: stable@kernel.org Yes, I was in doubt which commit to address - thanks for clearing it! I will remove the last statement from the commit message and post v2. Thanks!