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Wed, 24 Aug 2022 05:45:20 -0700 (PDT) From: xu xin X-Google-Original-From: xu xin To: akpm@linux-foundation.org Cc: bagasdotme@gmail.com, adobriyan@gmail.com, willy@infradead.org, hughd@google.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, xu xin Subject: [PATCH v4 0/2] ksm: count allocated rmap_items and update documentation Date: Wed, 24 Aug 2022 12:45:12 +0000 Message-Id: <20220824124512.223103-1-xu.xin16@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1661345121; a=rsa-sha256; cv=none; b=UQ/qH6lL2t7gknKLqLFRB4vzVQMu/KLln9vJUa4bFuYxv6dxMVG4RuakCWMSFhP0fdOGif Y0RuqKKQnlmc1s96PdlwSWX9hN1bcT3aup0m2xaEbyTMDiE55kmc/EPKqTzaF+ezrbbHb+ Rd06PvLO/gTuDAHhozV18iv+kvU6KbY= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=JEmdoabG; spf=pass (imf23.hostedemail.com: domain of cgel.zte@gmail.com designates 209.85.216.42 as permitted sender) smtp.mailfrom=cgel.zte@gmail.com; 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To determine how beneficial the ksm-policy (like madvise), they are using brings, so we add a new interface /proc//ksm_alloced_items for each process to indicate the total allocated ksm rmap_items of this process. The detailed description can be seen in the following patches' commit message. ----------- v3->v4: Fix the wrong writing format and some misspellings of the related documentaion. v2->v3: remake the patches based on the latest linux-next branch. v1->v2: Add documentation for the new item. *** BLURB HERE *** xu xin (2): ksm: count allocated ksm rmap_items for each process ksm: add profit monitoring documentation Documentation/admin-guide/mm/ksm.rst | 36 ++++++++++++++++++++++++++++ fs/proc/base.c | 15 ++++++++++++ include/linux/mm_types.h | 5 ++++ mm/ksm.c | 2 ++ 4 files changed, 58 insertions(+) base-commit: 68a00424bf69036970ced7930f9e4d709b4a6423