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X-CSE-ConnectionGUID: STu+E241T1eP0p7so6b4jA== X-CSE-MsgGUID: ro+SEcFdQi2+8nWz5W7gBw== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="40481700" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="40481700" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2024 22:29:35 -0700 X-CSE-ConnectionGUID: An9WfAeWQHK8FnV5xvcS1g== X-CSE-MsgGUID: 2/sgSOihSJqQLGt1uHRO+A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,244,1725346800"; d="scan'208";a="82364993" Received: from yhuang6-desk2.sh.intel.com (HELO yhuang6-desk2.ccr.corp.intel.com) ([10.238.208.55]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2024 22:29:32 -0700 From: "Huang, Ying" To: Barry Song <21cnbao@gmail.com> Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Barry Song , David Hildenbrand , Baolin Wang , Chris Li , Yosry Ahmed , Kairui Song , Ryan Roberts , Kanchana P Sridhar , Usama Arif Subject: Re: [PATCH] mm: add per-order mTHP swpin counters In-Reply-To: (Barry Song's message of "Wed, 30 Oct 2024 17:33:46 +1300") References: <20241026082423.26298-1-21cnbao@gmail.com> <87o7329s0e.fsf@yhuang6-desk2.ccr.corp.intel.com> Date: Wed, 30 Oct 2024 13:25:58 +0800 Message-ID: <87jzdq9n6h.fsf@yhuang6-desk2.ccr.corp.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Stat-Signature: b8dqorfwmgnihquqxfzq453818ppoqjs X-Rspamd-Queue-Id: 1463940008 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1730266143-58212 X-HE-Meta: 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 eR+0kqSs hy60S1CvGB8agbwmOLIxDgeElK0FQrX9aCb7at15PQvLO+e1BTrl/ECBVHd6EDl+Qpggc4oX/CUSpWOODOA4Yz7zwHrSbWIxhNXTJXsGOpo5FXvkEFSb0oRmZLS/S39qqtC1q3azByd1dk2UQKvl90a1fd+d+iCpqg6hZeW70DZzurmWGPqqMjnw43tSH1ZSeg2+AwAIyu2DCjOXoAZEecclRpbZ/7VrsrqvX/uxkVPGJaE+rxEkDY/y4IQ== 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: Barry Song <21cnbao@gmail.com> writes: > On Wed, Oct 30, 2024 at 4:45=E2=80=AFPM Huang, Ying wrote: >> >> Barry Song <21cnbao@gmail.com> writes: >> >> > From: Barry Song >> > >> > This helps profile the sizes of folios being swapped in. Currently, >> > only mTHP swap-out is being counted. >> >> Better to describe the user space interface in patch description? >> > > Do you mean something as below? > > The new interface can be found at: > > /sys/kernel/mm/transparent_hugepage/hugepages-/stats > swapin Yes. Some example output may be even better. -- Best Regards, Huang, Ying