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Wed, 18 Mar 2026 18:16:49 -0700 (PDT) From: Jiakai Xu X-Google-Original-From: Jiakai Xu To: ljs@kernel.org Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, david@kernel.org, harry.yoo@oracle.com, jannh@google.com, jiakaipeanut@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, riel@surriel.com, sashal@kernel.org, vbabka@kernel.org Subject: Re: [BUG] WARNING in unlink_anon_vmas() Date: Thu, 19 Mar 2026 09:16:33 +0800 Message-Id: <20260319011633.1874-1-jiakaiPeanut@gmail.com> X-Mailer: git-send-email 2.35.1.windows.2 In-Reply-To: <390a3cfa-661d-495e-88ad-eeebf4bc39f7@lucifer.local> References: <390a3cfa-661d-495e-88ad-eeebf4bc39f7@lucifer.local> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 770CB1C0005 X-Stat-Signature: dyat3696ro1s1xt7zikkssqnhnrqd9kz X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1773883011-376484 X-HE-Meta: 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 nxxpGi1L 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > Fix at=0D > https://lore.kernel.org/linux-mm/20260318122632.63404-1-ljs@kernel.org/=0D =0D Thank you for the quick investigation and fix.=0D =0D > =0D > We like to turn things around quick in mm ;)=0D > =0D > Could you check to make sure that fixes the issue? If so could you reply = to=0D > that email with:=0D > =0D > Tested-by: Jiakai Xu =0D =0D I tested the patch on my setup with the reproducer that originally=0D triggered the WARNING in unlink_anon_vmas(), and the issue no longer=0D reproduces.=0D =0D Best regards,=0D Jiakai=