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[2620:137:e000::1:20]) by mx.google.com with ESMTP id bj14-20020a056a02018e00b003aaac06ee1esi14427330pgb.605.2022.05.02.01.06.26; Mon, 02 May 2022 01:06:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b=ubR2MLEc; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=suse.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348271AbiEAPtH (ORCPT + 99 others); Sun, 1 May 2022 11:49:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39312 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348325AbiEAPtC (ORCPT ); Sun, 1 May 2022 11:49:02 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 759A63982A for ; Sun, 1 May 2022 08:45:30 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 42D981F38C; Sun, 1 May 2022 15:45:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1651419929; 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=p+gtPqfy5WIC1zoHOvr2YphsBKsJaGJ3kjOeDbSsvpc=; b=ubR2MLEcbPaiGJazPJsjvW107/aV7nzPN7x0ZvTvK84hB0UUAhzKUHYcyZ6s0cvQzoX6Rb j3jeRTlPKTG/HeWYBxii2tcVwmz+F/AJIEc3SmVYYleSMKlEgFo2LwMlutJzx3rJChwyn8 2BgSkVlHCH6+1ClOht+5rj/bEQX7j4k= 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 537F02C141; Sun, 1 May 2022 15:45:28 +0000 (UTC) Date: Sun, 1 May 2022 17:45:25 +0200 From: Michal Hocko To: Andrew Morton Cc: NeilBrown , Thierry Reding , Matthew Wilcox , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mel Gorman , Vlastimil Babka Subject: Re: [PATCH] MM: discard __GFP_ATOMIC Message-ID: References: <163712397076.13692.4727608274002939094@noble.neil.brown.name> <163764199967.7248.2528204111227925210@noble.neil.brown.name> <20220430113028.9daeebeedf679aa384da5945@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220430113028.9daeebeedf679aa384da5945@linux-foundation.org> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat 30-04-22 11:30:28, Andrew Morton wrote: > Folks, > > Discussion seemed to meander then peter out. What's the thinking on > this patch now? I like the simplification. This requires a deeper review. I cannot promise anything before LSFMM ends and who knows what my inbox will look like afterwards. In general I think we have just too many levels of memory reserves access and most people have no clue how to use them properly. -- Michal Hocko SUSE Labs