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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28A97C433FE for ; Wed, 24 Nov 2021 20:46:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238951AbhKXUtm (ORCPT ); Wed, 24 Nov 2021 15:49:42 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235576AbhKXUtl (ORCPT ); Wed, 24 Nov 2021 15:49:41 -0500 Received: from mail-lj1-x229.google.com (mail-lj1-x229.google.com [IPv6:2a00:1450:4864:20::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1788C061574; Wed, 24 Nov 2021 12:46:30 -0800 (PST) Received: by mail-lj1-x229.google.com with SMTP id 207so7985411ljf.10; Wed, 24 Nov 2021 12:46:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=sqvC+dGbfcX6cKXaEroZ5TEDlwO+hSkZLjOyRL/i65M=; b=TcA3Rt9RWkYyKJgneybHJZWfkYCfIKSvcMQ4Fj3n2JNzm8PQCgSgkJc6CbX11j7ved Ld/wWhaiYekfnIUycbvocmFX7/QnDYjTjidQF6q94HaFwbHWuJUwK65XmMk5oHOpvuHj nkm0AGHRbBnWZgpHVB7wqqJZbxH2EDzTeNd4ZMcazbZbZo08aclDlxv+YdtPlv7b1ffo MDU2dZOUBFFk8ID9fp7o3nSSNnBfFMzbsL/FXnpSaDpfUmarOpmyB7je/wGin6cYMstD jJbeVPVLsouO+L6CKq66JWLe5JKFUSxYQiaZRLyQpNZsTyGzE9YgF92kYvdFqA9YQt7b g8cQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=sqvC+dGbfcX6cKXaEroZ5TEDlwO+hSkZLjOyRL/i65M=; b=HPE2J0On/tVKeGZBkMLNX/Cypo59PHkBDggDt209xnSOXTGo7qOlSzzOO6/Q9KfjON p/9+sdApZ865TkPrsrjimC040joqHcQMt64cOnkjrrQeT3ZCZXz8b8+sTPabJ6PtFlb8 97Q7y4fRU+/jfyMFvn+HLSiK/uU1bwu4G5kz+vQjGi6zzQY8AzJy/xmKM+BCwv7aczlF QBf3vlkqQgmG+Nyjp+frEcKARAq9pXP+l88Nc50YkFvFuBcyZthlL4BrpgzQjZe2Cr57 jghJM5/HlUelHqlKsw8QiE5/JtWknIOlAMTjI4CRvE+IRhc3FUz3t5lafjDXRFy6uacH xl1A== X-Gm-Message-State: AOAM531IeoNL3atKmCCapzORBTQJCyiLpT6bMUa1E6uzaHPC7EGb5/sW dzo4RMP9kbNOFXT+bF9swhA= X-Google-Smtp-Source: ABdhPJzwTzo1b7j/+DUso3wsuKzfqD0+SzfyXNXfc3mkgDa231ju+a0J3nvbbccKYDe86sApmqEc+g== X-Received: by 2002:a2e:b88b:: with SMTP id r11mr19691966ljp.280.1637786789149; Wed, 24 Nov 2021 12:46:29 -0800 (PST) Received: from pc638.lan (h5ef52e3d.seluork.dyn.perspektivbredband.net. [94.245.46.61]) by smtp.gmail.com with ESMTPSA id y22sm79998lfg.272.2021.11.24.12.46.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Nov 2021 12:46:28 -0800 (PST) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Wed, 24 Nov 2021 21:46:26 +0100 To: Michal Hocko Cc: Uladzislau Rezki , Andrew Morton , Dave Chinner , Neil Brown , Christoph Hellwig , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, LKML , Ilya Dryomov , Jeff Layton Subject: Re: [PATCH v2 2/4] mm/vmalloc: add support for __GFP_NOFAIL Message-ID: References: <20211122153233.9924-1-mhocko@kernel.org> <20211122153233.9924-3-mhocko@kernel.org> 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 Tue, Nov 23, 2021 at 09:09:08PM +0100, Michal Hocko wrote: > On Tue 23-11-21 20:01:50, Uladzislau Rezki wrote: > [...] > > I have raised two concerns in our previous discussion about this change, > > well that is sad... > > I definitely didn't mean to ignore any of the feedback. IIRC we were in > a disagreement in the failure mode for retry loop - i.e. free all the > allocated pages in case page table pages cannot be allocated. I still > maintain my position and until there is a wider consensus on that I will > keep my current implementation. The other concern was about failures > warning but that shouldn't be a problem when basing on the current Linus > tree. Am I missing something? > Sorry i was answering vice-versa from latest toward first messages :) -- Vlad Rezki