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b=AfBnhG7xlmLmfVUbFGyjQ78bq1XHYdU9flYoPoaBuGBTWGnKucM2jmCncWuX7rT71 FlTSAz4fuLUwls7McF1/JtXOxaFcu7efZoCive7juPExhTihyq837YdT4cuC3G8aUc dD5+OvKwL0z2YPpBYYro/adbqLfXaRiZQllp+pP8= Date: Sat, 11 Oct 2025 11:28:20 -0700 From: Andrew Morton To: Qi Zheng Cc: Zi Yan , hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, david@redhat.com, lorenzo.stoakes@oracle.com, harry.yoo@oracle.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Qi Zheng Subject: Re: [PATCH v4 0/4] reparent the THP split queue Message-Id: <20251011112820.0bd349399187a5eb662024b9@linux-foundation.org> In-Reply-To: <4a134193-ee55-434c-98a9-ca3052bab11b@linux.dev> References: <925E0247-2976-4D85-A8AA-E8C92C64CED4@nvidia.com> <4a134193-ee55-434c-98a9-ca3052bab11b@linux.dev> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Stat-Signature: 19h544syzsydbnhgy9ida49p5bcf4dt8 X-Rspam-User: X-Rspamd-Queue-Id: 65B5AC0009 X-HE-Tag: 1760207302-970594 X-HE-Meta: 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 0JZPTCEx UNWic889NQyZUTQhAF0sTco3X/EeNObQ3rpQ9BqItNfYXAD3SopcT07b4mjrHHG9iP90SjnlkUQ0VgJM7z5cZJbvAE3fHUKf5lq3oLUaMh3oCVzX9dreMWDXaopPE5zO75Z9tvIwkP9cqN77Ypj4+ochlJanryqlex2eb3mLlS0Vg3pspCrt8zJ1eq92vGW10wSozsngq+Cmu3+5WeQ06+sXChEMnM/k1FUDTLIoKb8BK9PK0lJ1UFq0Uyw== 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 Sat, 11 Oct 2025 08:51:21 +0800 Qi Zheng wrote: > Hi Zi, > > On 10/11/25 12:25 AM, Zi Yan wrote: > > On 3 Oct 2025, at 12:53, Qi Zheng wrote: > > > > [snip] > > >> > > > > Hi Qi, > > > > I got CPU soft locks when run "echo 3 | sudo tee /proc/sys/vm/drop_caches" Thanks for testing. > And hi Andrew, please help drop this patch set from mm-new first. Gone.