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cv=none; b=Fy1KC0aAG+0wbBGp+jGh5lgapo0LvwpheTdveEhHksuJse94DyJaukWm5B9vrqO9zFkPGA ky1uwZrC4P627K5Ov2BUtLVbbOZUoEweOsT/CRQAUZc6+vlB2c9V2Tk1F5bFEdr9yqxt6n 4SdYt2hI21ykR8DPU5fEHzn9DbTuGxM= Received: from omf16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id DDB32BA978; Tue, 16 Sep 2025 02:14:51 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: joe@perches.com) by omf16.hostedemail.com (Postfix) with ESMTPA id AF5EA2000D; Tue, 16 Sep 2025 02:14:48 +0000 (UTC) Message-ID: <8d7be334af3944f990b56c80a70b7691763c3af8.camel@perches.com> Subject: Re: [PATCH v2 1/3] mm/ksm: Fix incorrect KSM counter handling in mm_struct during fork From: Joe Perches To: Andrew Morton , Donet Tom Cc: David Hildenbrand , Ritesh Harjani , Xu Xin , Chengming Zhou , Wei Yang , Aboorva Devarajan , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Giorgi Tchankvetadze , stable@vger.kernel.org Date: Mon, 15 Sep 2025 19:14:47 -0700 In-Reply-To: <20250915164248.788601c4dc614913081ec7d7@linux-foundation.org> References: <4044e7623953d9f4c240d0308cf0b2fe769ee553.1757946863.git.donettom@linux.ibm.com> <20250915164248.788601c4dc614913081ec7d7@linux-foundation.org> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-2.fc42) MIME-Version: 1.0 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Session-ID: U2FsdGVkX1/i3wGdkIngDc5k8Zy9mtT9x0Jsae1TNBU= X-HE-Meta: U2FsdGVkX1/IiBxbokcBHqtrQxfWaIRW4VWdsUC4FwYwqm/5zOBA2s+BAamLDGjQe/aFn7eBn854xpZKTPl8Wiqn/QcEF1vW1Uw9OEf52Pq+BOiart5k8W/VWobc0YHPYAPa4IVrDZmy3fHGH3BpBjcbEdEWDGQmJjOtMGIzrjc3tILATrQm7nwc1uKHx+JcqgAznSoxX7cKwV7EPr2tidUMIg8gL8JbTGaEds0GlD1ZHzRpVayCEXOIeQkyC/QDmBqTc62s1mLNjBkegG/SNdySVqPcY1LGTpuF+NTwpqDHAcGbgn9UhoIgfN0RwdJYa8T1wPf1L17l0gkGKTV/OizrBdeJxMW/eLt/a54CB26/tlJXQ5NQ2g== X-Stat-Signature: igx396pe9dmf1s33sa9rh78tnb4q9if3 X-Rspam-User: X-Rspamd-Queue-Id: 2C3EC2000C X-HE-Tag-Orig: 1757988888-560775 X-Rspamd-Server: rspam04 X-HE-Tag: 1757988893-779529 X-HE-Meta: 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 /6lVFoMo hRfZQmilxQRlE/OLhwIivcQtIInsLpudJCxS1z4mRM3dgbpEtIhWGqNN5o4QYmdFJamoNMPnVHIp7VRWiYOo964fX65zdUs9UAmDAgsQKxm74iRt87+OAQaQ6o7XR6SfPpHN8QPKkxnQzqHI= 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 Mon, 2025-09-15 at 16:42 -0700, Andrew Morton wrote: > On Mon, 15 Sep 2025 20:33:04 +0530 Donet Tom wro= te: [] > > Fixes: 7609385337a4 ("ksm: count ksm merging pages for each process") >=20 > Linux-v5.19 >=20 > > Fixes: cb4df4cae4f2 ("ksm: count allocated ksm rmap_items for each proc= ess") >=20 > Linux-v6.1 >=20 > > Fixes: e2942062e01d ("ksm: count all zero pages placed by KSM") >=20 > Linux-v6.10 >=20 > > cc: stable@vger.kernel.org # v6.6 >=20 > So how was Linux-v6.6 arrived at? [] > (Cc Joe. Should checkpatch say something about this)? Probably not. Parsing variants of versions seems, umm, difficult.