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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=CQuivU7tA0j3DaNAmzqNs9rVsYSc4Mupj7zmuVm1L2o=; b=Y9RWDu/i9zJ/6cI0c/3lPtbt/5NompHePohe2iHFoJDVnwm526HMdFe5OyXtalEYmf xRNZRNIlGFP9/HtnAQhiop/2XMpdAlNUshNj+qxif/fDphH0CqLiwp3DE9gfRkxY9wtj oqov4tBlRKBk9xJPGpRwlv8grtVvidRr82xQ0GN1EqFszvdQf/ttBJfAEijlKvjf1t/o V4nJzYujppDa8o9MbZcGWiX7lfRNHJzOhIod2Py6FwyTc8v0AWVNZ6gLv2BAQ1uy2P1M RyKnZYnabRvJoEs1OFZsilwp6fwMEXW7IUFiZah+Oxs4wKJvEeeI91RWAOM+Q2Y8kCcZ x0lA== X-Gm-Message-State: AFqh2krbf+Dz2NB64GO49oy0F9hYjRfZ2p1ef9qExMztPgYjl71wOoM1 YBXVRDA6gGrzx4jdlsG6yLtIB//qzwkwlvNBVopr6A== X-Google-Smtp-Source: AMrXdXvUZO0oM/+ykiDhNfUl4bBGqtkVrKxNyHSrFtssvMPCUccoMfbmVDu1oZYeiMvYzVTpl4K2ounvf7p9BcdvbV8= X-Received: by 2002:a25:1388:0:b0:7b8:6d00:ef23 with SMTP id 130-20020a251388000000b007b86d00ef23mr2139487ybt.119.1673458589236; Wed, 11 Jan 2023 09:36:29 -0800 (PST) MIME-Version: 1.0 References: <20230109205336.3665937-1-surenb@google.com> <20230109205336.3665937-14-surenb@google.com> <20230111154726.stadwtzicabwh5u5@offworld> In-Reply-To: <20230111154726.stadwtzicabwh5u5@offworld> From: Suren Baghdasaryan Date: Wed, 11 Jan 2023 09:36:18 -0800 Message-ID: Subject: Re: [PATCH 13/41] mm: introduce vma->vm_flags modifier functions To: Suren Baghdasaryan , akpm@linux-foundation.org, michel@lespinasse.org, jglisse@google.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@techsingularity.net, willy@infradead.org, liam.howlett@oracle.com, peterz@infradead.org, ldufour@linux.ibm.com, laurent.dufour@fr.ibm.com, paulmck@kernel.org, luto@kernel.org, songliubraving@fb.com, peterx@redhat.com, david@redhat.com, dhowells@redhat.com, hughd@google.com, bigeasy@linutronix.de, kent.overstreet@linux.dev, punit.agrawal@bytedance.com, lstoakes@gmail.com, peterjung1337@gmail.com, rientjes@google.com, axelrasmussen@google.com, joelaf@google.com, minchan@google.com, jannh@google.com, shakeelb@google.com, tatashin@google.com, edumazet@google.com, gthelen@google.com, gurua@google.com, arjunroy@google.com, soheil@google.com, hughlynch@google.com, leewalsh@google.com, posk@google.com, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org, linux-kernel@vger.kernel.org, kernel-team@android.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 61D64C0011 X-Stat-Signature: sma6xcns8q9jadqmtwawexhe4raogord X-HE-Tag: 1673458590-131471 X-HE-Meta: U2FsdGVkX193pcQx0fpKyG7grso2t16/aywDZGLxpUqzWFo8172nh+bDMLet8AmCQT12hnzjtO/HPgrL1hEHmrGPSfj3qinn/pEH2dbcBndVIUwkDCjwLVSQFHxbJ5q3jC+13UrCpqC1Mud51tgmmCc5IjYa6ccnHFprEsqkYlIZGuxtm8cU2RCbv3qFHhffji7hd/46qobtI3QwfQWDHhcUau70nwaTpCrd9hTnHq7SuqgI97y5Hfvs49HxUnuOqH6U1+ikz7wltrwcz1LwyGFEp8AwbiU8V0nt8t9uGi2p3XlzZ4Dclg/ix6BB6fGEJjG/pckeIMIOi8fQktPUSm3s8e3Ek7Dvx3chEAJIa0+7oNSgc3Zxx0OwD3aHYPMgjBFTcWGaE7gIOftgZ++zsnagMpim1XnD7BpkQPAdvdDyxA8wYp5onE5ynu7t5Lw0PG+nLE9IXcd1otW/2lm9dYPuEJoQJz7U38qJgWThpRlU615WHSTXkMEs9ttsYpyHCsMkjrt2M+RWj4o6ZBKWMp0RDa97bpok1Vy2dOjVtbOfPVuJpZNzoWog7XgqVeVoRMkLOBf3JkrePKnnokTGL/eIgujMH5T39HUX2j/82wfKcpbLrJlDJOp1JsjNLJTlm4Rtr/wKwqHGXhTQUCB4Q8y++oy0/4by35OLFO6yUzsaODUSZpgPI7Og+7vIfO1DIqcCh18xsy7JX9QMOJm3Fg7UV3vC/cHA7N1ERXWcH7f8xjRkeLHozcVcZ5NJRJqyXlaRTVRZt7Av+l1E0t844h7aIeWxDABGSyROLI8dd8Yjv2sEHWovuSRePMMEuANHETGte87S8uFCNqMRR8RIgzQ53Y41IIjcxOtoUd2jVwN+BTSAKfwBiWENqNimvZ3E9C8EcEtkUQHDEyruL7u7vOuBZxB8jXXtAyDGs1sdNoZA4cn9fUrwkwy1pbBIfrhSvUx1kIaGiAQmOVi01kn 8Oe1Yg2j 3M7mP4taGgEIY5hF7ad8MS2Eep6LtH0qtcc+xGOL1ZwlmNXBIEPNkK8Od9w== X-Bogosity: Ham, tests=bogofilter, spamicity=0.004195, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Jan 11, 2023 at 8:13 AM Davidlohr Bueso wrote: > > On Mon, 09 Jan 2023, Suren Baghdasaryan wrote: > > >To keep vma locking correctness when vm_flags are modified, add modifier > >functions to be used whenever flags are updated. > > How about moving this patch and the ones that follow out of this series, > into a preliminary patchset? It would reduce the amount of noise in the > per-vma lock changes, which would then only be adding the needed > vma_write_lock()ing. How about moving those prerequisite patches to the beginning of the patchset (before maple_tree RCU changes)? I feel like they do belong in the patchset because as a standalone patchset it would be unclear why I'm adding all these accessor functions and introducing this churn. Would that be acceptable? > > Thanks, > Davidlohr > > -- > To unsubscribe from this group and stop receiving emails from it, send an email to kernel-team+unsubscribe@android.com. >