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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5287C433EF for ; Wed, 18 May 2022 20:06:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7C82A6B0073; Wed, 18 May 2022 16:06:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7766A8D0001; Wed, 18 May 2022 16:06:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 63E3B6B0075; Wed, 18 May 2022 16:06:34 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 50EAE6B0073 for ; Wed, 18 May 2022 16:06:34 -0400 (EDT) Received: from smtpin29.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 1CEFC85A for ; Wed, 18 May 2022 20:06:34 +0000 (UTC) X-FDA: 79479946308.29.72D92C7 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf03.hostedemail.com (Postfix) with ESMTP id 4DB4B200C2 for ; Wed, 18 May 2022 20:06:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652904392; 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=kUEP9mgzsY6Z/VY2AYK1ldrCYllOmEnEcAskiI5ssd0=; b=f7DE5iMJ0HxRFCiTxzN1Zv/NYuRpWmWBplhC9CqxszbVAzV+kOQ0pXhLSM6ABvZuwPmAY2 Lsjfu8QwS70/e8TTKq7IbVcd9Zxo6sFqD41TKlYKt9dFXF27yFY13mMGDyUVaGRvgGjjvm 7MSMV7Ac1jYHMq/pC1IF0BCZllMdA4U= Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-672-4R1cS_0KP3KUlZzk5R6-Zw-1; Wed, 18 May 2022 16:06:32 -0400 X-MC-Unique: 4R1cS_0KP3KUlZzk5R6-Zw-1 Received: by mail-il1-f198.google.com with SMTP id x8-20020a056e021ca800b002d1332831deso1825671ill.23 for ; Wed, 18 May 2022 13:06:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=kUEP9mgzsY6Z/VY2AYK1ldrCYllOmEnEcAskiI5ssd0=; b=foVa6ZiNmf/TpJBa1OCzKzu4b4LgpdwxU5ir/1etBPOF+0mOog+n/C9xGle0MlN9kr p+5WXaz9ofRCbpDVsBlhmTvmoIL4gHmVKp6eBiM6RW0MmmyAvAtfdfCYMFs7mR3sBukB oDIBP5MWDWT013ZmXofcmLof0YjQRhOCEEATzX9Bpe/Amhrn9Bsh69jI/f10weFEUQhy Gt2Vlrq22akKYgP4V6ELSGLJy06o3/2HrefxkJdzvpdLsE969+Y+3GtyeXbcVPEGUMgm UG8QRIZX4vEfCan9iDv2s2DAvcf6fPfvIYKWE0Guxc+ZtzYWnnQFT1ci+bOSB/cqC2w9 iOJw== X-Gm-Message-State: AOAM531pbkkNhIHTL/E5rZBkvGjPKcdrW2tzcb9Tvvr7Z6hX274rto11 +Wreo9K03nQAXAOzOwA1z/IzHxGF8LyeVtcmNiSQv1w9jwn3FdtsdlFB66z+rnrU+qvmjMkRZAg 7SxxKO+1y4r72IrlvM+nk/TDb+lV013imCgYhFyoVKhyvlwkYH1R/jdG12jHK X-Received: by 2002:a92:c263:0:b0:2d1:173d:962e with SMTP id h3-20020a92c263000000b002d1173d962emr784813ild.156.1652904391023; Wed, 18 May 2022 13:06:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxmMl6ZbCxagrfmGNsZaZ9j44die4g02KWinO4zidjTob0E4y896zjJZBw25cxYgYQv2WjNJg== X-Received: by 2002:a92:c263:0:b0:2d1:173d:962e with SMTP id h3-20020a92c263000000b002d1173d962emr784791ild.156.1652904390703; Wed, 18 May 2022 13:06:30 -0700 (PDT) Received: from xz-m1.local (cpec09435e3e0ee-cmc09435e3e0ec.cpe.net.cable.rogers.com. [99.241.198.116]) by smtp.gmail.com with ESMTPSA id 134-20020a6b148c000000b0065a47e16f4esm114134iou.32.2022.05.18.13.06.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 May 2022 13:06:30 -0700 (PDT) Date: Wed, 18 May 2022 16:06:28 -0400 From: Peter Xu To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: David Hildenbrand , Johannes Weiner , Andrew Morton , Alistair Popple , Andrea Arcangeli , Hugh Dickins Subject: Re: [PATCH v2] mm: Avoid unnecessary page fault retires on shared memory types Message-ID: References: <20220506135205.46810-1-peterx@redhat.com> MIME-Version: 1.0 In-Reply-To: <20220506135205.46810-1-peterx@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 4DB4B200C2 X-Stat-Signature: qg6xoaczi3o3shs6tyktdmadpgtmatyw X-Rspam-User: Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=f7DE5iMJ; spf=none (imf03.hostedemail.com: domain of peterx@redhat.com has no SPF policy when checking 170.10.133.124) smtp.mailfrom=peterx@redhat.com; dmarc=pass (policy=none) header.from=redhat.com X-HE-Tag: 1652904383-276671 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: On Fri, May 06, 2022 at 09:52:05AM -0400, Peter Xu wrote: > v2: > - Fix syzbot report > - Added unit to the test results in commit message > > Note: I didn't copy any arch maintainers yet because I want to get some > feedback from the mm people first.. I'll start doing so when there's a new > version. Please have a look, thanks. > --- Any further comment on this one before I start to copy arch maintainers? Thanks, -- Peter Xu