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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL autolearn=no 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 8C815C433E6 for ; Tue, 26 Jan 2021 10:41:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3FF5A230FD for ; Tue, 26 Jan 2021 10:41:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404275AbhAZKle (ORCPT ); Tue, 26 Jan 2021 05:41:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731982AbhAZCDc (ORCPT ); Mon, 25 Jan 2021 21:03:32 -0500 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB2CAC06174A for ; Mon, 25 Jan 2021 16:14:12 -0800 (PST) Received: by mail-wm1-x333.google.com with SMTP id e15so1190765wme.0 for ; Mon, 25 Jan 2021 16:14:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Vz7Wx3SXxaN+HsWZGzhnHFVDxGZAroM2JwH4bW0nEhM=; b=WulKks/yUSJwwUol1tm6wB9TJkukXvTYKvdB2ceQgXomgHQMSU12Q0ukxoGukdPNr8 HGAjlTfWtd5HvJzNWyfyy0crd2HH+/syiXerMgHWpnjKX2vL/MjmxngjAkb9Ff2XGB5O 2/Kvk7D9kj7xdMH5EBWmOi+BQjBDhtTEW1Gfpa+yh52P9hNpbK7Lr+NmN28rhnuHGel+ dO62MQLsOV4fBk09tq1r4tc2zrJUdUMA+jCyQbkJYdTVuaGSVsKAM9Ytr4Ozzu8qwh3t JdPEfNF7P53HhUk4Nx0zB6G5G3rIGu1xvUCi6Vt61QOVMpU8sH7py/rv4XF0bp+yCvWD rXZg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Vz7Wx3SXxaN+HsWZGzhnHFVDxGZAroM2JwH4bW0nEhM=; b=sVnI3yqTvp1OhUkc0mwrcdCyQxlukFAMuhNQKe3QW2CEW9a1ZdZ/Jw/G3kNU05q/Tn qHLCnbwrV2DdFHu5h8TTrO3Dpob5TlONaHh+nYhH0QQRzLcp7IMGuY4Nm8PlRVFcl+sD TL/ZbLrczKvpeVj1dmaLDwUXUXGVHrElO2r9OtDGF6V3rJzHcwsRQSKpSckgnWjsp3uz oVK0SOy8/u1tH7RK86KmKyXkZ+a8qJkIaHNK58dDThfSg3fQK7ElUWUB8iBhdny/G4Qi 6h0kWAyUuW9FaU1SW9lPkhgRyqhiTWvz0NTjy7p+gUpps21PYlkKdJteuADA+Mg2ImDm EbNg== X-Gm-Message-State: AOAM530nrTKwiE4D7ZIVM528JyJiWeyKoaBGBcLVSKm5XM33PXi29KkP FXa+dW/6tib7HVagFQwvwYlaZHOQZhp1rril8Rof7Q== X-Google-Smtp-Source: ABdhPJytUOFxylJO9GQfWCZxkgmC08Bcn5+HCLBHOxR+Vvj6poU2sA/tL72vkNkKpaNCAmBDljbV4s4UOoZM8sJO7UI= X-Received: by 2002:a1c:7906:: with SMTP id l6mr2247505wme.22.1611620051415; Mon, 25 Jan 2021 16:14:11 -0800 (PST) MIME-Version: 1.0 References: <20210120202337.1481402-1-surenb@google.com> <20210125131935.GI827@dhcp22.suse.cz> In-Reply-To: <20210125131935.GI827@dhcp22.suse.cz> From: Suren Baghdasaryan Date: Mon, 25 Jan 2021 16:14:00 -0800 Message-ID: Subject: Re: [PATCH 1/1] process_madvise.2: Add process_madvise man page To: Michal Hocko Cc: linux-man@vger.kernel.org, Andrew Morton , Jann Horn , Kees Cook , Jeffrey Vander Stoep , Minchan Kim , Shakeel Butt , David Rientjes , =?UTF-8?Q?Edgar_Arriaga_Garc=C3=ADa?= , Tim Murray , linux-mm , SElinux list , linux-security-module , Linux API , LKML , kernel-team Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 25, 2021 at 5:19 AM 'Michal Hocko' via kernel-team wrote: > > On Wed 20-01-21 12:23:37, Suren Baghdasaryan wrote: > [...] > > MADV_COLD (since Linux 5.4.1) > > Deactivate a given range of pages by moving them from active to > > inactive LRU list. This is done to accelerate the reclaim of these > > pages. The advice might be ignored for some pages in the range when it > > is not applicable. > > I do not think we want to talk about active/inactive LRU lists here. > Wouldn't it be sufficient to say > Deactive a given range of pages which will make them a more probable > reclaim target should there be a memory pressure. This is a > non-destructive operation. That sounds better. Will update in the next version. > > Other than that, looks good to me from the content POV. > > Thanks! Thanks for the review Michal! > -- > Michal Hocko > SUSE Labs > > -- > To unsubscribe from this group and stop receiving emails from it, send an email to kernel-team+unsubscribe@android.com. >