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Tue, 13 Feb 2024 12:24:16 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 4rhuIXBfy2WUCAAAD6G6ig (envelope-from ); Tue, 13 Feb 2024 12:24:16 +0000 Date: Tue, 13 Feb 2024 13:24:11 +0100 From: Michal Hocko To: Suren Baghdasaryan Cc: akpm@linux-foundation.org, kent.overstreet@linux.dev, vbabka@suse.cz, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, corbet@lwn.net, void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com, david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org, tj@kernel.org, muchun.song@linux.dev, rppt@kernel.org, paulmck@kernel.org, pasha.tatashin@soleen.com, yosryahmed@google.com, yuzhao@google.com, dhowells@redhat.com, hughd@google.com, andreyknvl@gmail.com, keescook@chromium.org, ndesaulniers@google.com, vvvvvv@google.com, gregkh@linuxfoundation.org, ebiggers@google.com, ytcoode@gmail.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, vschneid@redhat.com, cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com, glider@google.com, elver@google.com, dvyukov@google.com, shakeelb@google.com, songmuchun@bytedance.com, jbaron@akamai.com, rientjes@google.com, minchan@google.com, kaleshsingh@google.com, kernel-team@android.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, kasan-dev@googlegroups.com, cgroups@vger.kernel.org Subject: Re: [PATCH v3 00/35] Memory allocation profiling Message-ID: References: <20240212213922.783301-1-surenb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240212213922.783301-1-surenb@google.com> X-Rspamd-Queue-Id: B75511C0021 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: bexi6txj7qrt5y44r83oy9tfhbsxug4f X-HE-Tag: 1707827058-225440 X-HE-Meta: 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 rgQ== 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 Mon 12-02-24 13:38:46, Suren Baghdasaryan wrote: [...] > We're aiming to get this in the next merge window, for 6.9. The feedback > we've gotten has been that even out of tree this patchset has already > been useful, and there's a significant amount of other work gated on the > code tagging functionality included in this patchset [2]. I suspect it will not come as a surprise that I really dislike the implementation proposed here. I will not repeat my arguments, I have done so on several occasions already. Anyway, I didn't go as far as to nak it even though I _strongly_ believe this debugging feature will add a maintenance overhead for a very long time. I can live with all the downsides of the proposed implementation _as long as_ there is a wider agreement from the MM community as this is where the maintenance cost will be payed. So far I have not seen (m)any acks by MM developers so aiming into the next merge window is more than little rushed. > 81 files changed, 2126 insertions(+), 695 deletions(-) -- Michal Hocko SUSE Labs