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 D1255C433EF for ; Thu, 31 Mar 2022 15:11:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 05AB56B0072; Thu, 31 Mar 2022 11:11:50 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F24326B0073; Thu, 31 Mar 2022 11:11:49 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D9CA46B0074; Thu, 31 Mar 2022 11:11:49 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0198.hostedemail.com [216.40.44.198]) by kanga.kvack.org (Postfix) with ESMTP id C6F016B0072 for ; Thu, 31 Mar 2022 11:11:49 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 793BC183182AB for ; Thu, 31 Mar 2022 15:11:49 +0000 (UTC) X-FDA: 79305021138.26.9B7F36A Received: from mail-qt1-f182.google.com (mail-qt1-f182.google.com [209.85.160.182]) by imf21.hostedemail.com (Postfix) with ESMTP id 9291C1C0004 for ; Thu, 31 Mar 2022 15:11:39 +0000 (UTC) Received: by mail-qt1-f182.google.com with SMTP id i4so21649116qti.7 for ; Thu, 31 Mar 2022 08:11:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=d1kYZrmObSeZbyw3RMt9FzoTsF57Tn5L7U9ZzVddVG4=; b=e2xD+tga/GoLwXnWljxsycUVzkUHHyFtBZKj9ohJ3DP81/4ckKV/P9xjMrfLtBjaN8 Y0jQRfJ0wP4mfKhofDqV7PBy2k7vHUHo0TufYPjQRU543RWwSgi458e5LByUAvekjqD6 6mlrpkeoiYpUpBurMZwQncB+hcsM4fnzgrTSoPR45s5VhDL9WiWRUs9iec9d8NzGqATk aigMYifkF1/doRpuLcRVcPWvkVIQZ1qExWkm5fTs3sjVJH30REhh3Q6Qjb0Oi2JXZxPq wU1ti7XW3WX2DApr61woyuQxTDHY+thYU3CFYK68PNE2xWO7fIdGDsFTszmbSqBKt/8T XEKQ== 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=d1kYZrmObSeZbyw3RMt9FzoTsF57Tn5L7U9ZzVddVG4=; b=n0hJWss/4Nmo6wHeE+tkzT8UgS6Z4+hMG+2Cp2VmJ6LfFB4SRgffG8XNumQLaVXw3e 4CyUKqBle6Kc0AXFOjd/ifBHtwtdbJ0WaHHPzanV3/SryaS/+/eFXMFt8OER0A2sujf1 akHiKm00yb3mRiqaoVYkMkYLSQ1e/vdIelhfusS9/Lfgpi+4j4tox62rZWdgiAn/zMSz 8lkVrYPvmrqZxCmNmlExZNi3Lr6j48gznAFeiZ+UNyLiEEAYYtZG4HEvyvIPkN4mif5e C1vn4fpjCtPGDxbo5ox8VWSh0kdtgtmhhFCEc6K8L7DL0ytH5yOH/nmGsq59r7eE5RY8 n5aQ== X-Gm-Message-State: AOAM530XGcntAISKCXbOUkynFdK50hKm8r4NZCaVv2xPbhLHmM0Gtv1h rxmTEfwklKyQ6zN8lrp9U9cWjPZEIb1RNQ== X-Google-Smtp-Source: ABdhPJwK/dO1SqlWZzy8Ome1xM0rJLftTCnmGQoUxC0JJNCTJoYeogOobH0D44OOIICSVVy0CzD0mg== X-Received: by 2002:a05:622a:1905:b0:2e0:7543:21d4 with SMTP id w5-20020a05622a190500b002e0754321d4mr4845011qtc.12.1648739031643; Thu, 31 Mar 2022 08:03:51 -0700 (PDT) Received: from localhost (cpe-98-15-154-102.hvc.res.rr.com. [98.15.154.102]) by smtp.gmail.com with ESMTPSA id j4-20020a37c244000000b0067d79a3fd0esm12903088qkm.106.2022.03.31.08.03.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Mar 2022 08:03:51 -0700 (PDT) Date: Thu, 31 Mar 2022 11:03:50 -0400 From: Johannes Weiner To: Wei Yang Cc: mhocko@kernel.org, vdavydov.dev@gmail.com, akpm@linux-foundation.org, cgroups@vger.kernel.org, linux-mm@kvack.org Subject: Re: [Patch v2 2/3] mm/memcg: set pos explicitly for reclaim and !reclaim Message-ID: References: <20220330234719.18340-1-richard.weiyang@gmail.com> <20220330234719.18340-3-richard.weiyang@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220330234719.18340-3-richard.weiyang@gmail.com> X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 9291C1C0004 X-Rspam-User: Authentication-Results: imf21.hostedemail.com; dkim=temperror ("DNS error when getting key") header.d=cmpxchg-org.20210112.gappssmtp.com header.s=20210112 header.b=e2xD+tga; spf=temperror (imf21.hostedemail.com: error in processing during lookup of hannes@cmpxchg.org: DNS error) smtp.mailfrom=hannes@cmpxchg.org X-Stat-Signature: n6sid1az3nrpyni59m1ijofmqy9qt9xa X-HE-Tag: 1648739499-990214 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 Wed, Mar 30, 2022 at 11:47:18PM +0000, Wei Yang wrote: > During mem_cgroup_iter, there are two ways to get iteration position: > reclaim vs non-reclaim mode. > > Let's do it explicitly for reclaim vs non-reclaim mode. > > Signed-off-by: Wei Yang Acked-by: Johannes Weiner