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b=SGCUNjfkcp/cAiWs3B3g3hUaE4zGB+hmg5uXoKcApNs7PPhpfdqKwrcrQVEIIQiGb 6i9AiaqM0Y9KoXujRZlQspBHQcdhmJyoA68HRbSxlVoDljW5zoyeP1z/1d7q3O3Bis aY0VTMtJo/Lt6o5IIGfOghqCB7JnwufVf+8CvMNk= Date: Tue, 4 Jun 2024 16:50:04 -0700 From: Andrew Morton To: Baolin Wang Cc: hughd@google.com, willy@infradead.org, david@redhat.com, wangkefeng.wang@huawei.com, ying.huang@intel.com, 21cnbao@gmail.com, ryan.roberts@arm.com, shy828301@gmail.com, ziy@nvidia.com, ioworker0@gmail.com, da.gomez@samsung.com, p.raghav@samsung.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/6] add mTHP support for anonymous shmem Message-Id: <20240604165004.7d6057d9192399eef8d19078@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (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: sfw4tn7bwtrtw5swoz579p3htf1z7fd6 X-Rspamd-Queue-Id: A57541C0013 X-Rspam-User: X-Rspamd-Server: rspam01 X-HE-Tag: 1717545006-767171 X-HE-Meta: U2FsdGVkX19VEsJDFpRPPniZnLSDtdiB3tpulDeFrD7A9tA6drnzkkUyvr6AR+4UBq0GzlAQYbS4daEMW5yUW9qZyAJudEsgurj8s9NLNxh13TIJ1kYpSUvLwNyTKCA9ZJw+cFgxYgJM7NtvV+M1IHppHkC9M65e1sAo/xmShWCbXjXGKdUQVvE1ocpYvaeMmE7vKfY9Kb/EEzeDp+z/DNxcUzrj9IKAQDaXrAnyLnN7qYaUYnT09isXKHgKA111SQqOcmldI1kVYPraKYYdWCqBDG8lwJ7zLFU/EMz561410TjglJNTZvXuv28BnsrGMXI+zsL/iPItfQfkbsZmjlTu+3JL8rsUrPG0VeGezF4tfqJPxYOsrkRFnf65G0DNqgxSU/rX8KqkOUurGJHiQcovPYdzyR72UF8Q56TRI6Y/DYZpVtXW8UvVBAAlEYMx09kY8a4zoX9E040LLAeesxNF/PCayldE+qlK1xkrHonUlxdF22NA1RTXfISAkwD+H1xl5r/eUL1fX94AZS3H0RuMmY0iQ6Zl5h+Qb+0j7j14CJPDPCFjKctGKO/022dfpqXE9nqCQnJf4wG/NFUr5qFMVm8YsVxVSpe0flI7x0D293UIkFul8yb8ehzupBr4cOklJJA5p8fngcJW+ng7HYNY6r4Gnaz/dJiiGjtGWptzExdEGtzT81NQfYZxPI05vycXrl1cwfJSdi9tlxSVHVFk7lzIJjRl3RrNZUJUvzWwi/sA8PpRbVLdkvKgePItI8W6rcZf0s5v33DzpnoLCRNFuRlpDsJapQQrmFWhcRt0h17wB/eb/E8degfYcHazZLqw1a7o7gTeSeATYU9nDXLWKp0UmVb/wOcH0/5cY7mi6ExNEHMLBYKj2+4wvwcItxcdXt3NW9OTppw/XTjCr6V8kR5y3I4bf8iRARe/7UmhmlANGe+UkJRtWTiE46cdUdvk4FNOvF9L5Y40wUb Cd6hqvAb 9Dxk4ekpJh4SDOHUJ9KwA/GjOa6gVr0i58JVsdXfm/TRcZGgTvzj4T3h0Fdwa8lg1xn+tzQw5M8R9JEhz4LpGoAdkzDSKYUGIy+EnLf9WmgcipPy5OGW0oFpqB9WLG4jIisuNdGxcXCSN2BCfLR1OVPAeBmSSmnXJ2t60LOT0xpKo6NcvGCsvaQ7Ys84683l7pVCvfndU7coFG4L8r1cjXZUCdBz9nCz2nL9qPJDHiPhMIh51o28EAfVJ6XVHx8DObpvp 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 Tue, 4 Jun 2024 18:17:44 +0800 Baolin Wang wrote: > base: mm-unstable > user-time sys_time faults_per_sec_per_cpu faults_per_sec > 0.04s 3.10s 83516.416 2669684.890 > > ... > > mm-unstable + patchset, anon shmem 64K mTHP enabled > user-time sys_time faults_per_sec_per_cpu faults_per_sec > 0.08s 0.31s 678630.231 17082522.495 > Geeze, is that the best you can do ;) It's early and there's review work to be done. But I'll queue this up for testing now, as it's clearly something we should finish off and get merged.