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 4D8D3C433F5 for ; Wed, 20 Oct 2021 14:53:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A39C61359 for ; Wed, 20 Oct 2021 14:53:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230347AbhJTOzi (ORCPT ); Wed, 20 Oct 2021 10:55:38 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:57592 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229695AbhJTOzh (ORCPT ); Wed, 20 Oct 2021 10:55:37 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id E98501FD39; Wed, 20 Oct 2021 14:53:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1634741601; 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=O8bh/JNAXl0EbyJbdZo/SNAN5DDfXJOs+3Sv4Zhg3O0=; b=JNuzYGOdhvILbvr1KUKHON8SPNEtIYfQGJdkWNYg1JDgt0nR62uMVJsWzaoch0RR0SYaSI +sne66bRJbe3TmoUNFJipcrvIo7neOd2/V1lwq+pX1HQMCUxHBM3oEG7zQwUiet9EvgJzo ZYFX0rKorRDJlOGgEyXwlNpV98Smzj8= 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 3E579A3B83; Wed, 20 Oct 2021 14:53:21 +0000 (UTC) Date: Wed, 20 Oct 2021 16:53:20 +0200 From: Michal Hocko To: Uladzislau Rezki Cc: Linux Memory Management List , Dave Chinner , Neil Brown , Andrew Morton , Christoph Hellwig , linux-fsdevel@vger.kernel.org, LKML , Ilya Dryomov , Jeff Layton Subject: Re: [RFC 2/3] mm/vmalloc: add support for __GFP_NOFAIL Message-ID: References: <20211018114712.9802-1-mhocko@kernel.org> <20211018114712.9802-3-mhocko@kernel.org> <20211019110649.GA1933@pc638.lan> <20211019194658.GA1787@pc638.lan> 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 Wed 20-10-21 16:29:14, Uladzislau Rezki wrote: > On Wed, Oct 20, 2021 at 4:06 PM Michal Hocko wrote: [...] > > As I've said I am OK with either of the two. Do you or anybody have any > > preference? Without any explicit event to wake up for neither of the two > > is more than just an optimistic retry. > > > From power perspective it is better to have a delay, so i tend to say > that delay is better. I am a terrible random number generator. Can you give me a number please? -- Michal Hocko SUSE Labs