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From: Shakeel Butt To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Vlastimil Babka , Sebastian Andrzej Siewior , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, Meta kernel team Subject: Re: [PATCH 0/9] memcg: cleanup per-cpu stock Message-ID: References: <20250315174930.1769599-1-shakeel.butt@linux.dev> <20250315205759.c9f9cdfc2c20467e4106c41a@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250315205759.c9f9cdfc2c20467e4106c41a@linux-foundation.org> X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Queue-Id: 5C4C7120007 X-Rspamd-Server: rspam05 X-Stat-Signature: z6us5w78stebc4bt1yenyczwd3rk7e3r X-HE-Tag: 1742100234-378728 X-HE-Meta: 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 OsWRfo3B TGbgZGZ1ytR63GlyeZe1LLSRLOA8CifEmbM29ZGboPMuRMfimt8zbvMI1C4EW95+PH4WvFTBMoENGYDMqg0g/hDKNBcfAoOW0HqlXgDS/mhGDw+oPAEN2BZa0Bnz5wr3LHuHck7ESQWWGBzeT22164KNvOVeVwfS8ajvKe8U2SDrIJqYgsWKsLUbdDWxRQoqRubvFXam4RhvtPBc= 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, Mar 15, 2025 at 08:57:59PM -0700, Andrew Morton wrote: > On Sat, 15 Mar 2025 10:49:21 -0700 Shakeel Butt wrote: > > > > > This is a cleanup series which is trying to simplify the memcg per-cpu > > stock code, particularly it tries to remove unnecessary dependencies on > > local_lock of per-cpu memcg stock. The eight patch from Vlastimil > > optimizes the charge path by combining the charging and accounting. > > > > This series is based on next-20250314 plus two following patches: > > > > Link: https://lore.kernel.org/all/20250312222552.3284173-1-shakeel.butt@linux.dev/ > > Link: https://lore.kernel.org/all/20250313054812.2185900-1-shakeel.butt@linux.dev/ > > Unfortunately the bpf tree has been making changes in the same area of > memcontrol.c. 01d37228d331 ("memcg: Use trylock to access memcg > stock_lock.") > > Sigh. We're at -rc7 and I don't think it's worth working around that > for a cleanup series. So I'm inclined to just defer this series until > the next -rc cycle. > > If BPF merges reasonably early in the next merge window then please > promptly send this along and I should be able to squeak it into > 6.15-rc1. > Seems reasonable to me and thanks for taking a look.