From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by kanga.kvack.org (Postfix) with ESMTP id AA4C38E0001 for ; Mon, 7 Jan 2019 06:08:15 -0500 (EST) Received: by mail-wr1-f72.google.com with SMTP id v24so19123997wrd.23 for ; Mon, 07 Jan 2019 03:08:15 -0800 (PST) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id h7sor35119406wrv.20.2019.01.07.03.08.14 for (Google Transport Security); Mon, 07 Jan 2019 03:08:14 -0800 (PST) MIME-Version: 1.0 From: Amit Pundir Date: Mon, 7 Jan 2019 16:37:37 +0530 Message-ID: Subject: [for-4.9.y] Patch series "use up highorder free pages before OOM" Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim , linux-mm@kvack.org Cc: Vlastimil Babka , Mel Gorman , Greg Kroah-Hartman Hi Minchan, Kindly review your following mm/OOM upstream fixes for stable 4.9.y. 88ed365ea227 ("mm: don't steal highatomic pageblock") 04c8716f7b00 ("mm: try to exhaust highatomic reserve before the OOM") 29fac03bef72 ("mm: make unreserve highatomic functions reliable") One of the patch from this series: 4855e4a7f29d ("mm: prevent double decrease of nr_reserved_highatomic") has already been picked up for 4.9.y. The original patch series https://lkml.org/lkml/2016/10/12/77 was sort of NACked for stable https://lkml.org/lkml/2016/10/12/655 because no one else reported this OOM behavior on lkml. And the only reason I'm bringing this up again, for stable-4.9.y tree, is that msm-4.9 Android trees cherry-picked this whole series as is for their production devices. Are there any concerns around this series, in case I submit it to stable mailing list for v4.9.y? Regards, Amit Pundir From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 207AEC43387 for ; Mon, 7 Jan 2019 11:08:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id A300C2147C for ; Mon, 7 Jan 2019 11:08:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="YQRAJf+Q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A300C2147C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 172828E001B; Mon, 7 Jan 2019 06:08:16 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F80F8E0001; Mon, 7 Jan 2019 06:08:16 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F02CE8E001B; Mon, 7 Jan 2019 06:08:15 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by kanga.kvack.org (Postfix) with ESMTP id AA4C38E0001 for ; Mon, 7 Jan 2019 06:08:15 -0500 (EST) Received: by mail-wr1-f72.google.com with SMTP id v24so19123997wrd.23 for ; Mon, 07 Jan 2019 03:08:15 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:mime-version:from:date:message-id :subject:to:cc; bh=gXpZZ6SFxyXnrfrvC8VrZ/fh/rDZL5wrUi47RNWSjgM=; b=iCaydorNo3wcXQHPgaD5kCaU3MaM9rTwlunNEF4S7p+oVI/gJatwX8ydbSEC9Prb74 hd6UT23CB0fDJK6NR3gwsHdIXIrsyCb6/w21Q+68p9ocWpOs38wZ/JMk50FkIZeQPzQi GWdozDTwQKCDZ8mVh8mddZ7+miIPIrUx9MYAsDT9oMGweUrCqwYwXg9yvZbzy8pOOAam nDVIhopP65Cm8ijhkcRUFOpCqXyQNWVcflEkI9WVQuGap3nG3zhd1MfHGWBhwAZRH74a Kqb0Digw471pOw00IrSBbSCd674BIzk48zKxaanTPTA/BiJ7FwrO4DI3qGJthWmSEtWj s4hQ== X-Gm-Message-State: AJcUuke/G3ZGOsW/C78RnY4EqDW8pwFYUt/pLR60tPUzJ2fb4LRpHdpL h+84oD9oiOSh0dwKacMGzK7WHxLB77ftIkiIyLoV26yy1bnvUDswpFB7CBZbB7lUCla7wvEQGzj w6Bc2VrMpXPsi9jxnlHk9h8TQ5eYuG2hQbAys67B7ClwFzrHgttmK64M6TgOXPTa7AktEKdED75 ri96npI7zy0KlsJiAfkr7I14BSqU8xxHb6WlwzS8ONydC5grLojRlrvZKBsV0z3p5urGjrPFWIs LkBwnwVFfoDQjn1HmZCwTD4GtrQBs3tG7/xkhYUhxhQ7X3vkNZa8jTH010YavJyvfQwkmuRd8ua remQWNDNlf1mqCZqXNzpbbB81AG+4wtcN5upxoutftmBlNyGPdulyp3T0tVMpn7yinwvjToUfIo W X-Received: by 2002:a1c:1688:: with SMTP id 130mr7967620wmw.86.1546859295129; Mon, 07 Jan 2019 03:08:15 -0800 (PST) X-Received: by 2002:a1c:1688:: with SMTP id 130mr7967587wmw.86.1546859294303; Mon, 07 Jan 2019 03:08:14 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1546859294; cv=none; d=google.com; s=arc-20160816; b=yNrrAItidXCxfLV3bEmg0/lYIKseXaJCbmyt73ShvsRNm9NYOWBkw50F43IQxCuoZy 2fDr6x4hsAnLco6F84BOhNQSSdcGUXRop1u7zeUHJqdFn9a6jRQBpwFneCGpgXptUvZH vrHA+ZKRmCbg6aa1gSXm0rqEYifcPjWqPd5Iwrcap0s4uyw65ySurzdEjVA3ertaocXc zbwnjolIDVwRXxQ1OOaG/k96gtF3gNIo97APz32xTdcSmbCRcKI9Lwv9g8/G5++ep+zo IVnFUzT070E6ibYU9/uPZgiyM4kE8nVb34KRR7uA/qYZCOkYepPfNOuFy9Cu59WSVJrI SmLg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:subject:message-id:date:from:mime-version:dkim-signature; bh=gXpZZ6SFxyXnrfrvC8VrZ/fh/rDZL5wrUi47RNWSjgM=; b=JRUgibpehDwrM1bcbgOWcbC7mL0OL92r5/W4WReQidAGXL+kZlgBcnCpnqkZUB1++/ UYhw2NpFhiiyJDlnWyQGqcmAVWb37p9o4ROfDaPaM7UJwfyZHoBCOX9jwsUSqn7+NPEh cbJm6m9ScpQ68amujV7U7mQMlnRxO2x2r85ui3Z4+BzNosj5MHir6rxvbIzQSxl/RFcL sY/V/VeWM2LAXY2AAOqDpOholklm0lxEoYiVPKyJzUk2Uy+ycZKtp4CN1Y5i2//IvwTR 7A2MGVzPvQoPtNZEzLMTL5b5OyTDyMHaOdALL0bxtIwGzEwDljFECS553iEJai7xhDJg rLUA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=YQRAJf+Q; spf=pass (google.com: domain of amit.pundir@linaro.org designates 209.85.220.41 as permitted sender) smtp.mailfrom=amit.pundir@linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id h7sor35119406wrv.20.2019.01.07.03.08.14 for (Google Transport Security); Mon, 07 Jan 2019 03:08:14 -0800 (PST) Received-SPF: pass (google.com: domain of amit.pundir@linaro.org designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=YQRAJf+Q; spf=pass (google.com: domain of amit.pundir@linaro.org designates 209.85.220.41 as permitted sender) smtp.mailfrom=amit.pundir@linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:from:date:message-id:subject:to:cc; bh=gXpZZ6SFxyXnrfrvC8VrZ/fh/rDZL5wrUi47RNWSjgM=; b=YQRAJf+QSmY/ouH+cYnSkHfDzQMVKI7jYMimUvDh2/JFfQiibsfXigS1QFJ1PKk+sD OZikbzJgHlUxJE6+whrVaMF0QM/ySg//q98tdf9LEXog/X7iGh2qzBNXqByeramBTT4i l5xXb2KmrodGwxU2Pz3NMY1JYw2gsShjxOOWE= X-Google-Smtp-Source: ALg8bN65ulkd6D09CCmq3NOjXhjRfOOoQDfTRn88+4F+Nawc5NT7b8Oja70QQ9G4mPafBtyhFG7k843XEmonDIFDuDI= X-Received: by 2002:adf:9542:: with SMTP id 60mr49427704wrs.60.1546859293841; Mon, 07 Jan 2019 03:08:13 -0800 (PST) MIME-Version: 1.0 From: Amit Pundir Date: Mon, 7 Jan 2019 16:37:37 +0530 Message-ID: Subject: [for-4.9.y] Patch series "use up highorder free pages before OOM" To: Minchan Kim , linux-mm@kvack.org Cc: Vlastimil Babka , Mel Gorman , Greg Kroah-Hartman Content-Type: text/plain; charset="UTF-8" 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: Message-ID: <20190107110737.YMjGpSK6g4hdzwmoC-XXbBgzSVY6IhJB9VdMng6RUpo@z> Hi Minchan, Kindly review your following mm/OOM upstream fixes for stable 4.9.y. 88ed365ea227 ("mm: don't steal highatomic pageblock") 04c8716f7b00 ("mm: try to exhaust highatomic reserve before the OOM") 29fac03bef72 ("mm: make unreserve highatomic functions reliable") One of the patch from this series: 4855e4a7f29d ("mm: prevent double decrease of nr_reserved_highatomic") has already been picked up for 4.9.y. The original patch series https://lkml.org/lkml/2016/10/12/77 was sort of NACked for stable https://lkml.org/lkml/2016/10/12/655 because no one else reported this OOM behavior on lkml. And the only reason I'm bringing this up again, for stable-4.9.y tree, is that msm-4.9 Android trees cherry-picked this whole series as is for their production devices. Are there any concerns around this series, in case I submit it to stable mailing list for v4.9.y? Regards, Amit Pundir