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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3DB8C433FE for ; Wed, 5 Oct 2022 20:27:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230037AbiJEU1J (ORCPT ); Wed, 5 Oct 2022 16:27:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35512 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229791AbiJEU1I (ORCPT ); Wed, 5 Oct 2022 16:27:08 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE8A6DFA4 for ; Wed, 5 Oct 2022 13:27:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1665001627; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=irL9v4RVF7/aYmYVm2x3MQE53BoPEWEw/ly3HFpcK3M=; b=SnAGyJ7IvDI3UJFeV53DkIOTwsBxjqrnYMHBMCQ60fvk4B3lUka0j/4Qxt8AM+S9CpEkG2 s1bnHSw5IWeO8LePZW5WTM42t+ueeSUspoOzgDK68KfNSACpbH9GmqcWJIDRZUUDrbo4kC EXaTYYKOmX90Mye5nsslHInTRw/4ASE= Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-391-W_AsMI5AP7GFKh9RwDPCbg-1; Wed, 05 Oct 2022 16:27:06 -0400 X-MC-Unique: W_AsMI5AP7GFKh9RwDPCbg-1 Received: by mail-qt1-f197.google.com with SMTP id cg13-20020a05622a408d00b0035bb2f77e7eso11969340qtb.10 for ; Wed, 05 Oct 2022 13:27:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=irL9v4RVF7/aYmYVm2x3MQE53BoPEWEw/ly3HFpcK3M=; b=okg3sHNb3SqOYAJj5s2J64GWjgdEYnQxncp+d2NivHvSfShSt25rTlSZhIosB+8Vew CLqzRNmxwINsgtmbOUk7l6JXqlwAyIASoNTOnjkjzco5IrFkoOcqzcbX4VbBFUEmH69k Xbb/j1k5wW2LP65fC7j+erkDfgdsUGBKBLlVCFk+75uvbIASrDMfQncUAP8OXm/Bdp4x U6Qj55o1bzd9pg1I8zSEIicP198A5x9VZxgNSR7/gW0p9b/2xDu7kscGC1HzpipNW4Z2 JROCz67ZMmflMKX5q1pBl0zQS0WJfPhMRc9Xere50aBXbtn2PIQxzgHPEJn59ntN97fc lh4g== X-Gm-Message-State: ACrzQf1nzXoe58p5A/lKi6mP5mjYWAzpJD1lQZSPNuTG0Ut6+zhL+IFP P06nUuskZ7G3Rb2P6VHOgKybFKYl/nq8YZfHAnj73b90tcimjJQf4qB6Ur0zwgLkbEQJSeZ6kmB EwPNVsOH47trjBdahyVbgCnwdkYcK X-Received: by 2002:a05:622a:24d:b0:35d:4a77:3cf0 with SMTP id c13-20020a05622a024d00b0035d4a773cf0mr1058614qtx.28.1665001625599; Wed, 05 Oct 2022 13:27:05 -0700 (PDT) X-Google-Smtp-Source: AMsMyM7SvsctwEXrw4dPRUCalzLH+RefoJ7FMG/zQCe6j6y45f5jAsslKsd1wQ1yesomiKMpK6FUTg== X-Received: by 2002:a05:622a:24d:b0:35d:4a77:3cf0 with SMTP id c13-20020a05622a024d00b0035d4a773cf0mr1058603qtx.28.1665001625383; Wed, 05 Oct 2022 13:27:05 -0700 (PDT) Received: from x1n (bras-base-aurron9127w-grc-46-70-31-27-79.dsl.bell.ca. [70.31.27.79]) by smtp.gmail.com with ESMTPSA id i7-20020ac85c07000000b0035d420c4ba7sm16026331qti.54.2022.10.05.13.27.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Oct 2022 13:27:04 -0700 (PDT) Date: Wed, 5 Oct 2022 16:27:03 -0400 From: Peter Xu To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, Andrew Morton , Shuah Khan , Hugh Dickins , Vlastimil Babka , Andrea Arcangeli , "Matthew Wilcox (Oracle)" , Jason Gunthorpe , John Hubbard Subject: Re: [PATCH v1 1/7] selftests/vm: add test to measure MADV_UNMERGEABLE performance Message-ID: References: <20220930141931.174362-1-david@redhat.com> <20220930141931.174362-2-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220930141931.174362-2-david@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On Fri, Sep 30, 2022 at 04:19:25PM +0200, David Hildenbrand wrote: > Let's add a test to measure performance of KSM breaking not triggered > via COW, but triggered by disabling KSM on an area filled with KSM pages > via MADV_UNMERGEABLE. > > Signed-off-by: David Hildenbrand Acked-by: Peter Xu -- Peter Xu