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Thu, 15 Feb 2024 04:04:53 +0000 Received: from DS0PR10MB7933.namprd10.prod.outlook.com ([fe80::20c8:7efa:f9a8:7606]) by DS0PR10MB7933.namprd10.prod.outlook.com ([fe80::20c8:7efa:f9a8:7606%4]) with mapi id 15.20.7270.033; Thu, 15 Feb 2024 04:04:53 +0000 Date: Wed, 14 Feb 2024 23:04:48 -0500 From: "Liam R. Howlett" To: Vlastimil Babka Cc: Kent Overstreet , Kees Cook , Suren Baghdasaryan , akpm@linux-foundation.org, mhocko@suse.com, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, 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, 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 23/35] mm/slub: Mark slab_free_freelist_hook() __always_inline Message-ID: <20240215040448.ycfrrqbv6chjeysy@revolver> Mail-Followup-To: "Liam R. Howlett" , Vlastimil Babka , Kent Overstreet , Kees Cook , Suren Baghdasaryan , akpm@linux-foundation.org, mhocko@suse.com, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, 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, 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 References: <20240212213922.783301-1-surenb@google.com> <20240212213922.783301-24-surenb@google.com> <202402121631.5954CFB@keescook> <3xhfgmrlktq55aggiy2beupy6hby33voxl65hqqxz55tivdbbi@j66oaehpauhz> <6370b20f-96fb-4918-bef0-7555563c9ce2@suse.cz> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6370b20f-96fb-4918-bef0-7555563c9ce2@suse.cz> User-Agent: NeoMutt/20220429 X-ClientProxiedBy: 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1707969947-473553 X-HE-Meta: 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 nuhAEwyp 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to be more forceful with the compiler on this one. > >> > >> Sure, but why? > > > > Wasn't getting inlined without it, and that's one we do want inlined - > > it's only called in one place. > > It would be better to mention this in the changelog so it's clear this is > for performance and not e.g. needed for the code tagging to work as expected. Since it's not needed specifically for this set, can we take this patch out of the set (and any others) and get them upstream first? My hope is to reduce the count of 35 patches. Less patches might get more reviews and small things like this (should be, are?) easy enough to get out of the way. But also, it sounds worth doing on its own.