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From: Kent Overstreet To: Petr =?utf-8?B?VGVzYcWZw61r?= Cc: Michal Hocko , Suren Baghdasaryan , akpm@linux-foundation.org, 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, ldufour@linux.ibm.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, 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 00/40] Memory allocation profiling Message-ID: References: <20230501165450.15352-1-surenb@google.com> <20230508175206.7dc3f87c@meshulam.tesarici.cz> <20230508180913.6a018b21@meshulam.tesarici.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230508180913.6a018b21@meshulam.tesarici.cz> X-Migadu-Flow: FLOW_OUT X-Stat-Signature: xp4b3q4wix3b4j34xetrdir6fhbezrbw X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 3E485100004 X-Rspam-User: X-HE-Tag: 1683563346-16759 X-HE-Meta: U2FsdGVkX1+eTB2vaDHBND9I5TUecW/zG1BaPg7fOBoSzPfvBgp9QeY6Waa+KPDwPjJzFX7tcYwGJkswQX3kB8QrCS5at4xkhk6ssdXMH/ilHnheo75ZT6iA3NFL4dk8zumGmp3fKFpoLDL/kaWhDoc8Ars2LAlZ5w6DIy15YUT2Yjd2kHvVXmLSj5z6Hzwgo3RwLHNz9oUZm97Id9aUFzC4xy1ej6ndYFWHXL4WfFemsGzCrWWB7GaANyQtVN4geGv1MNWEcZp2tthuPyVulUrXBucj6sfSJw0gPc/3TccCLew4sHq9fxgRtjjkkn8giskzra5Sp0WECOUr5Iqws9xkcv9iF4j7QdMBzWJ7M6qcFCQEiiCT/clkh43e0ai4FHgl1EscZLv70nAfojEoAZ31/vxBfdMGIEQ1STAoEBhWmSiSAH7TEFLJqsi5jJSJu7B5sjfQX3blSzVlpfSBFUlBspb0nn35m7E9UJtnRHPHPW1myzI+rj/j/efGg1mjyLxpQIR41hdIwV1qVuz2S4EXPlQ5K/Y/amqImLnrGBaFymcwQSfJZdrbS8Wlb3xMaoV31NdJ+pQbSKBdZT0ToaI15BBZB04aZJ8MWEDcDbtvt6rGnSwPG2hfPn0Fr2Yu+xedAVIeDkMtp24jnFdv6NwrQXS9/UqYN1nh15BQgET/ygU78ItgLHLsFXR7oeT4PHvdL9Tg8UQRbw+EGap98Tf+Jh4acGqtLM2wt0V38cEeBQ6hMFcY3L04RNbGEir3R3Fnr78ptEvkMFaTymfO6SY+p0/C7FVrEYxB5DLzjG9L/DeBR5LCLAzRyWMqplhwqLPLuZb1IiIo7LOQGCzQasuA5NnOBkPGXveJDObZT4n31DpeaydbjdpiwKOOKk3kkJNNP4GDjNeHeXdr3eUuGQ1tQSgsm4zzNwUrkAn60C7M0Ov4xS6EP9ntBqb4bMmzzQ3dYzohyhX3l2k3Naw qnpldvPM Dc3x556m+786rLzKQREo9g+CEoChmvLC1zHMT2Krysz8rB2trUJMWKfgwkGc6ICCNJ4PQ9qVF+cTQ6f+9iEWUJ4OI8PFw8ze8fLe9N7d3WoofGrN+/pO8ZIwi9GHH04qsrPw5y4NKiT7lWVl2H0jr/PPQXg== 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 Mon, May 08, 2023 at 06:09:13PM +0200, Petr Tesařík wrote: > Sure, although AFAIK the index does not cover all possible config > options (so non-x86 arch code is often forgotten). However, that's the > less important part. > > What do you do if you need to hook something that does conflict with an > existing identifier? As already happens in this patchset, rename the other identifier. But this is C, we avoid these kinds of conflicts already because the language has no namespacing - it's going to be a pretty rare situtaion going forward. Most of the hooking that will be done is done with this patchset, and there was only one identifier that needed to be renamed.