Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1178533pxf; Fri, 26 Mar 2021 02:46:42 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxOBbsNBngOfCf0i+LcEUei/Tm0vVtShbwDC1wH7wq4CUyzEM2xEnLzYBJGblu1aOXwIJMk X-Received: by 2002:a17:907:75c7:: with SMTP id jl7mr14826919ejc.191.1616752002035; Fri, 26 Mar 2021 02:46:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1616752002; cv=none; d=google.com; s=arc-20160816; b=a+0dah+F/KO68/c/QpLNvPSNzr8ODG8ATUGF7nSOnfmGyAVTwBcltJiKWPIWxlI8gR Zv9kFR6kpTRaC3Sx+eBHpVUESKlcFpDGW03+QyFSTe2/pZZljbWehJQBj6p6u4X+2CGX J+T5y1ueFXpPIY3XJSWiL/rG70U2ZWCKcMXyhI0o1TH0Aj3uN4vifKX1eBaI22gZq/Mz MzcIGbIm5P2QFdM0mpLB+SgH2LoPFZoFF83f2QgGJJsnS4kJS66KZfvPAjtrL1mHQe1V 3nOwfBq0xoz5RocGg5w2svUMpJJlsSwR/KkT/sDpmgyTBLDu2JWFT4g9jLLtJliNkD9x tJXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from; bh=xulIBwDsISxe6Sdev+9Igx5mBm9eaZRJqcwRZ3BPLUM=; b=r4KfIplsNVKfUSLESwTjCsU8JyGDKbsCoPC3O3BXmqRU4wMix8BUdg0IpTgNvesZ1k Iy3zONM3fcH3yJAvwgTMgvQZXMxogVEpQbr+UdWbeecom+g8yurPUlUKNRSfy7WuFC1s c+ykbzHqjACu82FfOBCvW1+hGim3gmOQ2sYeeVldzvA0CUPGpfjo9WvfMFgEjmRbrjyV znQVXmiAbaqhSov+/LMJiRqKQYcmu0Nf8px+IbcMiQqoaPbNORH4axA8rTKTjCQUDA7n XNI5C52SnLVtoDPt0fKJ8k2AIi4/ettayliKoSlYXnUWJEnzI8tHPC/oApMUeRszd7Ox 9+Ng== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u2si6528218ejg.288.2021.03.26.02.46.18; Fri, 26 Mar 2021 02:46:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229832AbhCZJpZ (ORCPT + 99 others); Fri, 26 Mar 2021 05:45:25 -0400 Received: from out30-131.freemail.mail.aliyun.com ([115.124.30.131]:49760 "EHLO out30-131.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229528AbhCZJpB (ORCPT ); Fri, 26 Mar 2021 05:45:01 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R541e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=xlpang@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0UTMtOfu_1616751898; Received: from localhost(mailfrom:xlpang@linux.alibaba.com fp:SMTPD_---0UTMtOfu_1616751898) by smtp.aliyun-inc.com(127.0.0.1); Fri, 26 Mar 2021 17:44:58 +0800 From: Xunlei Pang To: Andrew Morton , Alexander Duyck , Mel Gorman Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Xunlei Pang Subject: [PATCH 0/4] mm/page_reporting: Some knobs and fixes Date: Fri, 26 Mar 2021 17:44:54 +0800 Message-Id: <1616751898-58393-1-git-send-email-xlpang@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the following knobs in PATCH 1~3: /sys/kernel/mm/page_reporting/reported_kbytes /sys/kernel/mm/page_reporting/refault_kbytes /sys/kernel/mm/page_reporting/reporting_factor Fix unexpected user OOM in PATCH 4. Xunlei Pang (4): mm/page_reporting: Introduce free page reported counters mm/page_reporting: Introduce free page reporting factor mm/page_reporting: Introduce "page_reporting_factor=" boot parameter mm/page_reporting: Fix possible user allocation failure Documentation/admin-guide/kernel-parameters.txt | 3 + include/linux/mmzone.h | 3 + mm/page_alloc.c | 6 +- mm/page_reporting.c | 268 ++++++++++++++++++++++-- 4 files changed, 260 insertions(+), 20 deletions(-) -- 1.8.3.1