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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7999C433EF for ; Thu, 14 Oct 2021 07:18:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 93170610E8 for ; Thu, 14 Oct 2021 07:18:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230094AbhJNHUT (ORCPT ); Thu, 14 Oct 2021 03:20:19 -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