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Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHS1R-0000000EvpK-2Nhu; Wed, 12 Jun 2024 17:44:33 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id E5781300592; Wed, 12 Jun 2024 19:44:32 +0200 (CEST) Date: Wed, 12 Jun 2024 19:44:32 +0200 From: Peter Zijlstra To: "Christoph Lameter (Ampere)" Cc: tglx@linutronix.de, axboe@kernel.dk, linux-kernel@vger.kernel.org, mingo@redhat.com, dvhart@infradead.org, dave@stgolabs.net, andrealmeid@igalia.com, Andrew Morton , urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com, Arnd Bergmann , linux-api@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, malteskarupke@web.de Subject: Re: [PATCH v1 11/14] futex: Implement FUTEX2_NUMA Message-ID: <20240612174432.GK8774@noisy.programming.kicks-ass.net> References: <20230721102237.268073801@infradead.org> <20230721105744.434742902@infradead.org> <9dc04e4c-2adc-5084-4ea1-b200d82be29f@linux.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9dc04e4c-2adc-5084-4ea1-b200d82be29f@linux.com> X-Rspamd-Server: rspam03 X-Stat-Signature: 9mypddif3oxa3hrfwbd4wq7nnhfq11cd X-Rspamd-Queue-Id: 27F4FC0003 X-Rspam-User: X-HE-Tag: 1718214281-682738 X-HE-Meta: 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 W4xDyKQW mwESZnw+5YdjXkY8mMYFi6Bhrw+qjd9poHbzDlQ81/+8frBsKyvWDJKxKudropyFPb5czihadxUQUUDFjNOdfJl97OVhdZC8d5ppX2rXxejBKxonPTO/dE4s7YGHRHes7k8drivcG+xf3nrGFXXPmKxJJpNU2r8v9t03S/NS+yE6+CN5hqQK2ryDoEQ== 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 Wed, Jun 12, 2024 at 10:23:00AM -0700, Christoph Lameter (Ampere) wrote: > On Fri, 21 Jul 2023, Peter Zijlstra wrote: > > > Extend the futex2 interface to be numa aware. > > Sorry to be chiming in that late but it seems that this is useful to > mitigate NUMA issues also for our platform. I read this like: I tested it and it works for me. Is that a correct reading of your statement? If so, I'll look at bumping this on the priority list and I'll look at the placement suggestion you had when I respin the patches. Thanks!