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[70.52.229.124]) by smtp.gmail.com with ESMTPSA id kr24-20020a0562142b9800b005eee320b5d7sm3739002qvb.63.2023.04.18.08.48.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Apr 2023 08:48:43 -0700 (PDT) Date: Tue, 18 Apr 2023 11:48:41 -0400 From: Peter Xu To: Matthew Wilcox Cc: Suren Baghdasaryan , akpm@linux-foundation.org, hannes@cmpxchg.org, mhocko@suse.com, josef@toxicpanda.com, jack@suse.cz, ldufour@linux.ibm.com, laurent.dufour@fr.ibm.com, michel@lespinasse.org, liam.howlett@oracle.com, jglisse@google.com, vbabka@suse.cz, minchan@google.com, dave@stgolabs.net, punit.agrawal@bytedance.com, lstoakes@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH v2 1/1] mm: do not increment pgfault stats when page fault handler retries Message-ID: References: <20230415000818.1955007-1-surenb@google.com> MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Rspam-User: X-Rspamd-Queue-Id: F0B341C0004 X-Rspamd-Server: rspam01 X-Stat-Signature: 9658s9e1qhnrhnqfbu3mf449miqn6ef4 X-HE-Tag: 1681832926-158510 X-HE-Meta: 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 SJuKZyFF mWGY+7sVZWYG/WxUiR9ZW+UM3UrNX5jnthYjgA1WFnXIrfBqCkASLybnE8XyswEx474dbSlfLE6keP4gxAAutNpwLbYf9/Atn1HhOUk9RIQiVi7piKz5PhwuUbo5D21I77OLos5uhBQsNvjtKarsJnMzyVDbeofbIpA1QQSQRwQJhwtTdUr0JXqUh4PytfnLpWGuDq/vlzTA8tPoVRYceNdHuWFXvSILVtK6Yye5Xc13TQoMt47JCfWfvrj7mqNqj5K4tsV/Vieb3MT1jP5NOAPe2BZPNcb9ytuhYloNVxMb1GoYxPnJ7pd0lIUdczSQizG8m7u/v3nC1md+gs/Sfs/ySEY5vLqhhq6DY/jlicL4bE4DJP5hEcutUP0BY/mbXFMn0 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: On Tue, Apr 18, 2023 at 04:32:27PM +0100, Matthew Wilcox wrote: > ... when we called clone()? A thread by definition has a reference to > its own mm. Ah yes.. thanks! -- Peter Xu