From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934167AbeDXNVH (ORCPT ); Tue, 24 Apr 2018 09:21:07 -0400 Received: from mx2.suse.de ([195.135.220.15]:50677 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933950AbeDXNVB (ORCPT ); Tue, 24 Apr 2018 09:21:01 -0400 Date: Tue, 24 Apr 2018 07:20:57 -0600 From: Michal Hocko To: Chunyu Hu Cc: Dmitry Vyukov , Catalin Marinas , Chunyu Hu , LKML , Linux-MM Subject: Re: [RFC] mm: kmemleak: replace __GFP_NOFAIL to GFP_NOWAIT in gfp_kmemleak_mask Message-ID: <20180424132057.GE17484@dhcp22.suse.cz> References: <1524243513-29118-1-git-send-email-chuhu@redhat.com> <20180420175023.3c4okuayrcul2bom@armageddon.cambridge.arm.com> <20180422125141.GF17484@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 23-04-18 12:17:32, Chunyu Hu wrote: [...] > So if there is a new flag, it would be the 25th bits. No new flags please. Can you simply store a simple bool into fail_page_alloc and have save/restore api for that? -- Michal Hocko SUSE Labs