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Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tWexo-0000000FYR0-0Dm2; Sat, 11 Jan 2025 17:07:56 +0000 Date: Sat, 11 Jan 2025 17:07:55 +0000 From: Matthew Wilcox To: David Laight Cc: Suren Baghdasaryan , akpm@linux-foundation.org, peterz@infradead.org, liam.howlett@oracle.com, lorenzo.stoakes@oracle.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 Subject: Re: [PATCH v9 10/17] refcount: introduce __refcount_{add|inc}_not_zero_limited Message-ID: References: <20250111042604.3230628-1-surenb@google.com> <20250111042604.3230628-11-surenb@google.com> <20250111123900.643e4b49@pumpkin> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250111123900.643e4b49@pumpkin> X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 2210B20009 X-Stat-Signature: 9nm59z6rpkedu8ob3tj58yzurar467bb X-HE-Tag: 1736615300-582771 X-HE-Meta: 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 wfO3VNOJ 8S3NhUtdL5cgQEEDUoCBN4vTJtonsPZbVihVQDYBUaI2OKNc4wsO+w0n8Bt+5k/oAXlcvPQy7uMgoNdQQa0ZzCGp04bu2AElDdRZIxUfaHfuCH7Pb6TsVE+tIw0K107AbNSdtIFGNxK+N4gT2/urvSybv5kXURiDsQqFDx4L9FqUFD7QY8DEdoikmOU+cSMf8eM3w3zwWHm25wDLxaKSv/UI/Tq/sAboxW9SsYQPKc4M5qJaw/uuh4J9xsHA4KYTglEbUtUeq1c2DaDliTJQMz4PZ/C5IOeI7a8vUhGkJPHCdE5sipDTiKpD5pznrtSdCLYYhdICV03KgwwOW3/p3dILF1lIcMoLn7+uc 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, Jan 11, 2025 at 12:39:00PM +0000, David Laight wrote: > I don't think the kernel compiles disable this optimisation. You're wrong.