Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp1134067pxb; Thu, 7 Oct 2021 01:14:59 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzbyt0RLFcSU3gKJ1wVntH7njP2KJ6T6qlzYde5HK+s9cSBKRZCkuoLh+iAmdaz5vavWNZi X-Received: by 2002:a63:7456:: with SMTP id e22mr2297523pgn.324.1633594499134; Thu, 07 Oct 2021 01:14:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633594499; cv=none; d=google.com; s=arc-20160816; b=qWUk2vuAhkFU58Ir1tzNp+CFkRkEGy+SAZeZWOw6z3iZsJPhCKwrLV1XEOEVgXZSjW Js7D5U0FGhYp+YdnVWBiDodMRnc1MskXpWtW6Zvqc50TNMkyEgq0k2Dni6h7KayOFQGU WI4x/G6AT1Yi85RbjPjll1VLSTJlIegU5e8voUbSQyn9tlo6Iw03uufaA80wsCXaFQKa LkIzi2IlhGWIwFCtiW7NuhZeO7YDMqThh3dffMW3FcxzhbeyLRDZ/qmyKUW84N8PCxr/ cX+vdDpxKY+N2MXOcmqxhz+3nyk2iKmnz6U17uYxlrVTOHXWHjaF7DbgUSqBxaFXgf7G pRUg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=6kWPeAL5YdhKOgGiPm0d0ACf2LYS8mjdOECzh1wZutw=; b=qHM6+GlyzmvKraIwKxoAxmkvQ7x/F9rQNm1c2GLcGAGHqGWYWxLtMCRxBuSA9jw/RY F5L0DdkKUq1+1rkDBDphmAkKl7riuIqKvRKOc+OAScfLVp8DWKxYMvZwLIYeCGVZF8Q9 SCVN99KFJqP7/7juyN490aAm32waqgaroaluD1cR7XkLGJaXSxbEKWVSM7FWDt01uosw ikfJdj3MG0i5omh2csnyE9nz00omRdxrOi/X9wTdubgmIUxGTpIcRyfNI/fcOhO9P4+f JQrcKZbiEGQxckvODc++rX7rzBbWWBI7AQs8Py6rzhpePc8nit6YM2SdgcnUOI8XEann jmug== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=SwzZDw98; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=suse.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 84si31443488pgc.601.2021.10.07.01.14.44; Thu, 07 Oct 2021 01:14:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=SwzZDw98; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=suse.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240564AbhJGIPV (ORCPT + 99 others); Thu, 7 Oct 2021 04:15:21 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:51582 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233489AbhJGIPS (ORCPT ); Thu, 7 Oct 2021 04:15:18 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id DE2F51FF45; Thu, 7 Oct 2021 08:13:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1633594403; h=from:from:reply-to: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=6kWPeAL5YdhKOgGiPm0d0ACf2LYS8mjdOECzh1wZutw=; b=SwzZDw98grNFIGy/1P65glPZG+dWl9idjalCyIqFu2qTCnRYtiatBwG3vqjPjLctW7ORql bbPf5k2lOY29DT+MUNU+fq9PAEA84G+KTQyuqB8/VUKqtedYbR7SCDZvfnMWKXc+lh2BIp /VEESlmkT/m7HLy9D2jbyCv3z5reyvE= Received: from suse.cz (unknown [10.100.201.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id AD7C2A3B83; Thu, 7 Oct 2021 08:13:23 +0000 (UTC) Date: Thu, 7 Oct 2021 10:13:23 +0200 From: Michal Hocko To: Vasily Averin Cc: Johannes Weiner , Vladimir Davydov , Andrew Morton , Cgroups , Linux MM , "linux-kernel@vger.kernel.org" , kernel@openvz.org Subject: Re: memcg memory accounting in vmalloc is broken Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 07-10-21 11:04:40, Vasily Averin wrote: > vmalloc was switched to __alloc_pages_bulk but it does not account the memory to memcg. > > Is it known issue perhaps? No, I think this was just overlooked. Definitely doesn't look intentional to me. -- Michal Hocko SUSE Labs