Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp4213958pxb; Thu, 14 Oct 2021 00:20:59 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwNBxo6xNh1Z/8v7/fSkbeORKRhvpSGvRdiqijy21ByqzzysogV8tCnKxWAASI7bv7kZFjk X-Received: by 2002:a17:90b:282:: with SMTP id az2mr4475038pjb.215.1634196058992; Thu, 14 Oct 2021 00:20:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634196058; cv=none; d=google.com; s=arc-20160816; b=az0f5Ug8n6mxWPFFFihXviinKKWKBgjMZul6DDpNJrs6KPuOboVSNWSHlVEOazUoQ2 tnxFClRFPRJhgG5FCq50ces2R7l9kj+iEBbqYgCJ2ySYHFiCOPamBqLA4asbeYVo2XGq nimTImDhHcDlahFsicLchThWjfZKCRFqkFeg/aXnNaQTTj4o26R/h59A61/cJUxi9LJX jxpMUmzUxUrr3LfsFt7YPwM6oVj+G40SHUsmRoORuJIozZ1M+iKysnSlV811vZ77YM4A kNSx8DyztlXoNWopzbTiQUDompR6WhZAmIlSPm3AGqvo0dMWWDYWvRXkPW6ZCRCv4Duk VhGQ== 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=ItroEyfCjdn2jjHo+KgVNqOCeGtBLeeRzaYF2ey/Y8Q=; b=FY5teim2EZLScTg9cRilN11C6ccYxPGoCwkELYkL/MK6tHzk+0blxPvB9krW5yS8tm nN4RIN5+RXbXLRLnQnzaIJwTxg+G7aylgN1R9fn4xtxTjnEjcX+CsHZLkXkZuiQpxp8z TsIYe8H1T831V73ihflE9PgJijBizPdJn27FOTOChhT0riqIf3xqSL2QY/0bulDr7kR7 l9pXUOlrInTpXJOK7TxZJJD+2uOxcvChUtxmQ4YTAyiPuubBDmKHpb9o6PgE1fiOuM/A prtFRoBn/2TvOFDG/1dUiOGIJfSRmwCZNcSkmja39+aYewJQwNSPv7je+IfpSJjemf1t vF6g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=VfMKwkcQ; 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 e4si2534644plo.336.2021.10.14.00.20.44; Thu, 14 Oct 2021 00:20:58 -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=VfMKwkcQ; 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 S230132AbhJNHUR (ORCPT + 99 others); Thu, 14 Oct 2021 03:20:17 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:42070 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230117AbhJNHUN (ORCPT ); Thu, 14 Oct 2021 03:20:13 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id A3D9521A75; Thu, 14 Oct 2021 07:18:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1634195887; 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=ItroEyfCjdn2jjHo+KgVNqOCeGtBLeeRzaYF2ey/Y8Q=; b=VfMKwkcQxdhoIzXhSYvkSm5ku7ugoTIPQVOo+JxVkpz/QxhwL/Po2BnNIQE8tm4as/wMbN S5oH/v78OyHEvUfHBoe4nVgfGedVIE5BtuoePId8+oLCWf/4EVJCEXyDsURoyy63WUne46 6hmbURCIwobyelAtwxmnd6qGC94sRWw= 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 8F5C9A3B84; Thu, 14 Oct 2021 07:18:07 +0000 (UTC) Date: Thu, 14 Oct 2021 09:18:07 +0200 From: Michal Hocko To: Vasily Averin Cc: Shakeel Butt , Johannes Weiner , Mel Gorman , Uladzislau Rezki , Roman Gushchin , Andrew Morton , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT Message-ID: References: <20211013194338.1804247-1-shakeelb@google.com> <4c92e227-2abc-c3cb-93eb-f5c45bef7fc6@virtuozzo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4c92e227-2abc-c3cb-93eb-f5c45bef7fc6@virtuozzo.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 14-10-21 10:05:21, Vasily Averin wrote: [...] > > + /* Bulk allocator does not support memcg accounting. */ > > + if (unlikely(gfp & __GFP_ACCOUNT)) > > + goto out; > > + > > May be (memcg_kmem_enabled() && (gfp & __GFP_ACCOUNT)) check is better here? Yes please -- Michal Hocko SUSE Labs