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Fri, 13 Mar 2026 09:36:21 -0700 (PDT) From: hev X-Google-Original-From: hev To: usama.arif@linux.dev Cc: Liam.Howlett@oracle.com, ajd@linux.ibm.com, akpm@linux-foundation.org, anshuman.khandual@arm.com, apopple@nvidia.com, baohua@kernel.org, baolin.wang@linux.alibaba.com, brauner@kernel.org, catalin.marinas@arm.com, david@kernel.org, dev.jain@arm.com, hannes@cmpxchg.org, jack@suse.cz, kas@kernel.org, kees@kernel.org, kernel-team@meta.com, kevin.brodsky@arm.com, lance.yang@linux.dev, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, npache@redhat.com, rmclure@linux.ibm.com, ryan.roberts@arm.com, shakeel.butt@linux.dev, viro@zeniv.linux.org.uk, will@kernel.org, willy@infradead.org, ziy@nvidia.com, WANG Rui Subject: Re: [PATCH 0/4] arm64/mm: contpte-sized exec folios for 16K and 64K pages Date: Sat, 14 Mar 2026 00:35:57 +0800 Message-ID: <20260313163557.147948-1-git@hev.cc> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260310145406.3073394-1-usama.arif@linux.dev> References: <20260310145406.3073394-1-usama.arif@linux.dev> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: WANG Rui Hi, I ran a quick bench on RK3399: Binutils: 2.46 GCC: 15.2.1 (--enable-host-pie) Workload: building vmlinux from Linux v7.0-rc1 with allnoconfig. Base Patchset [1] Patchset [2] instructions 3,115,852,636,773 3,194,533,947,809 3,235,417,205,947 cpu-cycles 8,374,429,970,450 8,457,398,871,141 8,323,881,987,768 itlb-misses 9,250,336,037 8,033,415,293 2,946,152,935 ~ -13.16% ~ -68.15% time elapsed 610.51 s 605.12 s 593.83 s [1] https://lore.kernel.org/all/20260310145406.3073394-1-usama.arif@linux.dev [2] https://lore.kernel.org/linux-fsdevel/20260313005211.882831-1-r@hev.cc Should we prefer to PMD aligned here? Thanks, Rui