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Tue, 29 Oct 2024 21:33:58 -0700 (PDT) MIME-Version: 1.0 References: <20241026082423.26298-1-21cnbao@gmail.com> <87o7329s0e.fsf@yhuang6-desk2.ccr.corp.intel.com> In-Reply-To: <87o7329s0e.fsf@yhuang6-desk2.ccr.corp.intel.com> From: Barry Song <21cnbao@gmail.com> Date: Wed, 30 Oct 2024 17:33:46 +1300 Message-ID: Subject: Re: [PATCH] mm: add per-order mTHP swpin counters To: "Huang, Ying" 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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Stat-Signature: zdui7q64kijbggo8fcr9bnaczh33myo5 X-Rspamd-Queue-Id: 37E61A0005 X-Rspamd-Server: rspam11 X-HE-Tag: 1730262821-225680 X-HE-Meta: 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 AKd+QP4O 7y1bT1X5OU5xX4zxVNYmhrlDSyiTsE/F0Wa817lvT2k/PdYdr0eh7OtW3qTgl4/V0doCWSxloc0XlRyMJiqWF//FTq00Doj/1lbZydHFIqX95GOVpm48xMcgcdxArpiHt6Ogd+MGtC0X12c4QKLesJ6lSPpIO3j5sIQXoEU7wk8XY40yhUaXegau+8J2fIwhFX131JuJP4C+w2gfL7w/+XATQs1Wch1o0hzxrLaQltkq0ol4cxVwcK0KrXAljbDsBG0t7gHJFqDkoo0ZPayIq4m4dMNap1hh0UAyGHc5tpwP13xBgQXEcDAgj93ybFbjo0RE6IJJesGnGJ4L8S+RDmZNRLbzEP70X5pAAK4Lx8tNR70tqjcJBWCYgUAQ1DaZJwtySoNohFz25tys= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000104, 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 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 > [snip] > > -- > Best Regards, > Huang, Ying