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AJvYcCXeeQnr4KyJr+Tphzbw8582ZfpbHVLLFSGspBhUErtRh0+UjsS6vzB4ZN9DzdEj+6vebCO0MoDkeA==@kvack.org X-Gm-Message-State: AOJu0YwPdz2wr8RHgaDP5sIlJBPorucROYnN3sH6VsACEgv+eE4pIy/Q m8h3dXMRwpmkV9wnLotzRJiLTW0xLxnB9vC6xu49wU4Y1qBdi1VShuQOozNnPY9i27IsOdh9ffM qtC9PuGvM2DdJNQu6BMoxpm5NyoSWs8ItLlKf X-Gm-Gg: ASbGncvfXwWocPn+kEZt6znf4I/rO+NHDftrbp2+RezShJoBLsYBCNWMwV6ymiGIcJM 8v9D8NkXKWIU7jrMliS5DEYyy+n2PAtyUVtkmFA== X-Google-Smtp-Source: AGHT+IFBSyrZH6oH2V8sSJ8g3vWD0Xzt9EA1FlosWujE9GKZW3/jjLsBoULYSb8IJOdDM/4YQoilY629BSEWDbaXB1E= X-Received: by 2002:ac8:590b:0:b0:46c:9f17:12f6 with SMTP id d75a77b69052e-46df70108bcmr3230121cf.27.1736954055812; Wed, 15 Jan 2025 07:14:15 -0800 (PST) MIME-Version: 1.0 References: <20250111042604.3230628-1-surenb@google.com> <20250113174941.8c6d5defe18c8b1a7e477ace@linux-foundation.org> <20250113200908.d821636a39e9ca6130a90e24@linux-foundation.org> In-Reply-To: From: Suren Baghdasaryan Date: Wed, 15 Jan 2025 07:14:04 -0800 X-Gm-Features: AbW1kvahTytgn6M-KDT9HLtFEEQh-_QLeCzYhPsDAwNf1510Y1g47IjxkM1hWqg Message-ID: Subject: Re: [PATCH v9 00/17] reimplement per-vma lock as a refcount To: Lorenzo Stoakes Cc: "Liam R. Howlett" , Andrew Morton , peterz@infradead.org, willy@infradead.org, david.laight.linux@gmail.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mjguzik@gmail.com, oliver.sang@intel.com, mgorman@techsingularity.net, david@redhat.com, peterx@redhat.com, oleg@redhat.com, dave@stgolabs.net, paulmck@kernel.org, brauner@kernel.org, dhowells@redhat.com, hdanton@sina.com, hughd@google.com, lokeshgidra@google.com, minchan@google.com, jannh@google.com, shakeel.butt@linux.dev, souravpanda@google.com, pasha.tatashin@soleen.com, klarasmodin@gmail.com, richard.weiyang@gmail.com, corbet@lwn.net, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@android.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: iddyjf9ee7owb3whx6wrc1ea6jjjzf7g X-Rspamd-Queue-Id: 1A15314001C X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1736954056-207213 X-HE-Meta: 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 IBqbfQWt zmeEfw0ZfWG6uKxhJifGLQ1YP5SHvp4fNUuNSvj7ucb3ajHJQKQ+ViPXX/pZYJuzU8uOQsJWuCdNABJxK4ziTvTBzhlImOhvjQolPvWOaFBGhzJR3C+CCtwI4UVzOfEOKUOBw78iLiy+jFvTVhLXlMjfD27BchVBDCo5SYa4yCv5UBxN/mLU216I5Idrea0/K9Ey89Y3xjy9FXhiOBXHwQHu7x8GXV7UxW9aNY6UvBvB0Od1peAVGazUrQ0ORe+nt/H7ErBj6r3tqU4CMY9P/lWagEZTNVuS1UsjTJl9rkYG0gkwGpldJqkfCTeRexedfvrHOdpJTPj1OmRpwqITBxkyI885Re/GCgVBJpPSyZjdz5o8k2fC32YEkAu5X/sWrN4D2kkOzcvVlYrI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, 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 Wed, Jan 15, 2025 at 3:34=E2=80=AFAM Lorenzo Stoakes wrote: > > On Tue, Jan 14, 2025 at 07:54:48AM -0800, Suren Baghdasaryan wrote: > > On Tue, Jan 14, 2025 at 6:59=E2=80=AFAM 'Liam R. Howlett' via kernel-te= am > > wrote: > > > > > > * Andrew Morton [250113 23:09]: > > > > On Mon, 13 Jan 2025 18:53:11 -0800 Suren Baghdasaryan wrote: > > > > > > > > > On Mon, Jan 13, 2025 at 5:49=E2=80=AFPM Andrew Morton wrote: > > > > > > > > > > > > > > > > > > Yes, we're at -rc7 and this series is rather in panic mode and = it seems > > > > > > unnecessarily risky so I'm inclined to set it aside for this cy= cle. > > > > > > > > > > > > If the series is considered super desirable and if people are c= onfident > > > > > > that we can address any remaining glitches during two months of= -rc > > > > > > then sure, we could push the envelope a bit. But I don't belie= ve this > > > > > > is the case so I'm thinking let's give ourselves another cycle = to get > > > > > > this all sorted out? > > > > > > > > > > I didn't think this series was in panic mode with one real issue = that > > > > > is not hard to address (memory ordering in > > > > > __refcount_inc_not_zero_limited()) but I'm obviously biased and m= ight > > > > > be missing the big picture. In any case, if it makes people nervo= us I > > > > > have no objections to your plan. > > > > > > > > Well, I'm soliciting opinions here. What do others think? > > > > > > > > And do you see much urgency with these changes? > > > > > > > > > > I think it's in good shape, but more time for this change is probably > > > the right approach. > > > > > > I don't think it's had enough testing time with the changes since v7. > > > The series has had significant changes, with the side effect of > > > invalidating some of the test time. > > > > > > I really like what it does, but if Suren doesn't need it upstream for > > > some reason then I'd say we leave it to soak longer. > > > > > > If he does need it upstream, we can deal with any fallout and fixes -= it > > > will have minimum long term effects as it's not an LTS. > > > > Thanks for voicing your opinion, folks! There is no real urgency and > > no objections from me to wait until the next cycle. > > I'll be posting v10 shortly purely for reviews while this is fresh on > > people's mind, and with the understanding that it won't be picked up > > by Andrew. > > Thanks, > > Suren. > > (From my side :) Thanks, and definitely no reflection on quality and your > responsiveness has been amazing, just a reflection of the complexity of > this change. No worries, I understand and accept the reasoning. And thanks for sugar coating the pill, it made it easier to swallow :) > > > > > > > > > Thanks, > > > Liam > > > > > > To unsubscribe from this group and stop receiving emails from it, sen= d an email to kernel-team+unsubscribe@android.com. > > >