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 21EECC433F5 for ; Sun, 16 Jan 2022 19:54:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 816486B0072; Sun, 16 Jan 2022 14:54:38 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 7C4E16B0073; Sun, 16 Jan 2022 14:54:38 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6B39F6B0074; Sun, 16 Jan 2022 14:54:38 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0116.hostedemail.com [216.40.44.116]) by kanga.kvack.org (Postfix) with ESMTP id 5BA416B0072 for ; Sun, 16 Jan 2022 14:54:38 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 0E3C296352 for ; Sun, 16 Jan 2022 19:54:38 +0000 (UTC) X-FDA: 79037202636.10.649404F Received: from mail-lf1-f48.google.com (mail-lf1-f48.google.com [209.85.167.48]) by imf07.hostedemail.com (Postfix) with ESMTP id A924040002 for ; Sun, 16 Jan 2022 19:54:37 +0000 (UTC) Received: by mail-lf1-f48.google.com with SMTP id x7so49848786lfu.8 for ; Sun, 16 Jan 2022 11:54:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=32ZGPXHe3Ged0KnD2WiQsFB3QGx2BbSWPhOV/bW7jNc=; b=RMd20O9hiJ+E++mZyFCDgYsG99GnasXx9c7mZSzw0rI5QCZRUDgY7035Y/jwkEIhET //SyReKW9JjjJucOIxRqhB29/qOd4FJouwJMwOq05gVXJnoAaw9T8BRB2KyG/rTWdf/3 JChxfan6qdczRC8W0KyNqWCcGtDTmC/Dkg1vIrMMrJS8DHl6PHjNIY+V4aHI/Ct1MUx+ eWAX6pjHBWif9lJixach4FExApXyy+orxoCRlPl5egBwUKbfvgBbI0LxRO4uqztDVEGx zcs89gRS7lDl7xhNTMO0tfkzqTOrF99K6B28pwaFimR4JkOr12A8c0sB/e3NKvoHqzWt KJ5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=32ZGPXHe3Ged0KnD2WiQsFB3QGx2BbSWPhOV/bW7jNc=; b=G1B7ilLie2WkvjdFoa00EBe/SVjxrJyYqlZu5WEwTlaPmgFCbL4/lDiA7ykgtEfd1o jLNt+KLvQ43AaMyfYpjRuDQ3VupF3hOhD2RNGlobg/2DTh1P3affgj7KIwq+VdEwnT7U VRlSk5Uhg3Ny59lqEhEFlSd7DvfL3zeQe9nQ8adfJxZx++a5pTFZdT5v/6L0/2TwZ9l/ p2GI4LNzV6aKI/aqSuR9UA2wVMCsVcx71sstVZoqJEAlqqOiHgxgTk6UPxjE6QepaZwn XLMF770X4Hlngjy9qspk1TvKIo42nyoVzqv2gL9kA0pbB+3q1YENXlYCZJQ1DtHUNBz8 +uRw== X-Gm-Message-State: AOAM532DGavoL9QYnSdS9SRUoRhFsVIap9oh3Kr1bF1M2MpmHwV8acrD s7h39NCiiYizMbg1L/fTx2FcappmrAqke5gDwn59tQ== X-Google-Smtp-Source: ABdhPJyGC2HiGMD9xJ2IzvKhtFycMw3qTAUv/s7jZVYILuuCp45IGNNYwzSQ72dovmtvqs9HDTNM7vbfxWjIAoqZLN0= X-Received: by 2002:a05:6512:33d5:: with SMTP id d21mr14534416lfg.8.1642362875855; Sun, 16 Jan 2022 11:54:35 -0800 (PST) MIME-Version: 1.0 References: <20220111010302.8864-1-richard.weiyang@gmail.com> <20220111010302.8864-3-richard.weiyang@gmail.com> In-Reply-To: <20220111010302.8864-3-richard.weiyang@gmail.com> From: Shakeel Butt Date: Sun, 16 Jan 2022 11:54:24 -0800 Message-ID: Subject: Re: [PATCH 3/4] mm/memcg: retrieve parent memcg from css.parent To: Wei Yang Cc: Johannes Weiner , Michal Hocko , Vladimir Davydov , Andrew Morton , Roman Gushchin , Vlastimil Babka , Matthew Wilcox , Muchun Song , Yang Shi , Suren Baghdasaryan , LKML , Cgroups , Linux MM Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: A924040002 X-Stat-Signature: en58diuad6wawzybe9b46bboq4y5tfhd Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=RMd20O9h; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf07.hostedemail.com: domain of shakeelb@google.com designates 209.85.167.48 as permitted sender) smtp.mailfrom=shakeelb@google.com X-Rspamd-Server: rspam03 X-HE-Tag: 1642362877-49283 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 Mon, Jan 10, 2022 at 5:03 PM Wei Yang wrote: > > The parent we get from page_counter is correct, while this is two > different hierarchy. > > Let's retrieve the parent memcg from css.parent just like parent_cs(), > blkcg_parent(), etc. > > Signed-off-by: Wei Yang Reviewed-by: Shakeel Butt