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Wysocki" , Greg Kroah-Hartman , Danilo Krummrich , Zenghui Yu , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, stable@kernel.org Subject: Re: [PATCH v2 2/6] sched/cache: Honor migrate_llc_task semantics in active load balance Message-ID: <20260922072352.GW4121339@noisy.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: EAE9E1C0002 X-Stat-Signature: 6iw5cjn9htuu9qqpz8qs4j3683k7uogr X-HE-Tag: 1790061844-603030 X-HE-Meta: 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 vj3U0BrU 9vQfG+F4BNbuIhWc06NrzFXTRDwauxigvoirLvQr2KBJX1qOMiC+PoF0+LtJaOr+4CcDOGMss4IeVZ+EnbYYYejAaQplEJx5hwQjauQksfCOnT7aIv7keF8/32/gtW0Z8leYcay9Hq+K+zPoLroaB3tdrcXFOWkXkZhTbTKjoVz2IcmQdPjSpIVInYCvNRvQZn9NPIHUk6ZznACpJaziTj5EFAuUda4G4ZiOhx0FLWSCucMHpaFLQotLPbNclyEQM2n90puv3CeMiG2UUMY30CGd/21A3urf67BKPsGFpwA3PU1D0Jtl7uuBNmziEwpTMnmJoVYDEb6TqJzSnMrMXGQsiJ1dJZtphwx3bYcX7uevnVwR2k5wD/jcL7Q== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 21, 2026 at 05:37:23PM -0700, Tim Chen wrote: > From: Lu Wang > > CAS introduced the migrate_llc_task migration type to direct tasks FWIW, every time I read this I get confused, CAS maps to Compare-And-Swap, aka cmpxchg on x86.