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bh=tK/i+sli1Qx6hi7lAgqjt19/P/qmplAKgc7mqzvPIK0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=axXGw573Ua/pYEsjK9DTEp81AR36GlN/Ei1OYz7L+p3Xa2y5J71aAVy/MjHfvCaZX 5kFFxkdHKE/ySOFoh0g6rh0qu02pC2aQY4ujsJmpJzzF7I0Bok3K0i9mGVPWvFFR+S vkuig7T1usTBxcGHcQraC7mKcIGTja/w5yTqpRG8= Date: Fri, 12 May 2023 14:15:10 -0700 From: Andrew Morton To: Catalin Marinas Cc: Nhat Pham , linux-api@vger.kernel.org, kernel-team@meta.com, linux-arch@vger.kernel.org, hannes@cmpxchg.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, arnd@arndb.de, will@kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH] arm64: wire up cachestat for arm64 Message-Id: <20230512141510.20075825899e3c869c5358ca@linux-foundation.org> In-Reply-To: References: <20230510195806.2902878-1-nphamcs@gmail.com> <20230511092843.3896327-1-nphamcs@gmail.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: bbhrghnjico7osack8pudf1ic4oowpei X-Rspam-User: X-Rspamd-Queue-Id: AFE761A0015 X-Rspamd-Server: rspam07 X-HE-Tag: 1683926113-858798 X-HE-Meta: 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 GPXDb3i/ mR0eF3XLzIPd+rm2Htu2l6P6z8q39ggeNW1SLqk+RrGhictTmEx+fTh0CQAzeuRTCF47O07n6vPANpqJ5Z0v4GiSKDcDBxDhBwdPYeSMuOSnryQBx7qDrQKJ38B9mt43iM5WPqMPfpaIoSCYph1Vi0Q4u/Ls5EPAk9zFPauilK5SjOID3cktT+wp0kxukJfloCly5NAowTDX9WLHrzgAE80qBBCUpLJFoickykokivJiAA5mG4sEcwi5yy/S7K3NJtzlzwRJXJFI5Cm9r2rY3RaIQGsUPBZuvh9yZh4aqkUHzk5u2sZq2iA8Zu8bKTP/ZTDtILVSUZhAyFvIjsiUV22qiiO1GQ9GTAGOJ2fRv/Uq4IXTDJBWMYJ4qjLP8J/fdZUTNTZa/5j9iY12igSBlj6/bD1YWLaiEnl4EcVjQXoP2IfzGT947TMIc0B2mN+0Ap185oT76HreFnQdQv9vUeyOkmw== 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 Fri, 12 May 2023 11:42:26 +0100 Catalin Marinas wrote: > On Thu, May 11, 2023 at 02:28:43AM -0700, Nhat Pham wrote: > > cachestat is a new syscall that was previously wired in for most > > architectures: > > > > https://lore.kernel.org/lkml/20230503013608.2431726-1-nphamcs@gmail.com/ > > https://lore.kernel.org/linux-mm/20230510195806.2902878-1-nphamcs@gmail.com/ > > > > However, those patches miss arm64, which has its own syscall table in arch/arm64. > > This patch wires cachestat in for arm64. > > You may want to clarify that this is for compat support on arm64, > otherwise native support uses the generic syscall numbers already. Thanks, I updated the changelog thusly. Note that this patch is transitory - it will be squashed into "cachestat: wire up cachestat for other architectures".