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AJvYcCWmSvVmLYrhN/H6SM0OqRydPPTlNA9fqd8PvU+6ekehT5o8dC5wFRc/sNC33LJjEFUeDj1nLK3c/BpAB/P6Z2mmhAA= X-Gm-Message-State: AOJu0YwnRqh5bDszOIq7G14jNucGgRpMdzZfDfN+6/s12/PMDqFVIPtq 2q2JK9v86Sh9+FV7kefoIoVPM/1+2+a6FePEJYQp5S1IJ96BCj0FT7vugK8Ejt3aTq0IG82Svsv 9BL087W8ydLaVR5c1LWvc3t7wNeuJnyTS X-Google-Smtp-Source: AGHT+IERcfQivnwk0kUV3dGOcGKRjqKT2qQKRpEgfdFliRAGDubcGJS45zyMOCaW4aZWeQQrMNpkomEOqYyFw/nbCGs= X-Received: by 2002:a2e:9f49:0:b0:2d8:3b49:f831 with SMTP id v9-20020a2e9f49000000b002d83b49f831mr2677746ljk.2.1712973698752; Fri, 12 Apr 2024 19:01:38 -0700 (PDT) MIME-Version: 1.0 References: <20240412064353.133497-1-zhaoyang.huang@unisoc.com> <20240412143457.5c6c0ae8f6df0f647d7cf0be@linux-foundation.org> In-Reply-To: <20240412143457.5c6c0ae8f6df0f647d7cf0be@linux-foundation.org> From: Zhaoyang Huang Date: Sat, 13 Apr 2024 10:01:27 +0800 Message-ID: Subject: Re: [PATCH 1/1] mm: protect xa split stuff under lruvec->lru_lock during migration To: Andrew Morton , Dave Chinner Cc: "zhaoyang.huang" , Alex Shi , "Kirill A . Shutemov" , Hugh Dickins , Baolin Wang , linux-mm@kvack.org, linux-kernel@vger.kernel.org, steve.kang@unisoc.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: C32BA1C0005 X-Stat-Signature: nqxgbo71rq6i9eo3wzg1mwuws1d69kqo X-Rspam-User: X-HE-Tag: 1712973700-513941 X-HE-Meta: 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 /HDdDv+H 8CnN4vcdrtbhcMiWvA4HzkUrpzX/guIjPh9qC5m35iXxMW53f2XK5JrqIE+f+HedDDHn+MykWVl0YK1g= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000004, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: loop Dave, since he has ever helped set up an reproducer in https://lore.kernel.org/linux-mm/20221101071721.GV2703033@dread.disaster.ar= ea/ @Dave Chinner , I would like to ask for your kindly help on if you can verify this patch on your environment if convenient. Thanks a lot. On Sat, Apr 13, 2024 at 5:34=E2=80=AFAM Andrew Morton wrote: > > On Fri, 12 Apr 2024 14:43:53 +0800 "zhaoyang.huang" wrote: > > > Livelock in [1] is reported multitimes since v515, > > Are you able to provide us with a means by which others can reproduce thi= s? > > Thanks.