From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754702AbeDBXAU (ORCPT ); Mon, 2 Apr 2018 19:00:20 -0400 Received: from mail-pl0-f46.google.com ([209.85.160.46]:34268 "EHLO mail-pl0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754558AbeDBXAS (ORCPT ); Mon, 2 Apr 2018 19:00:18 -0400 X-Google-Smtp-Source: AIpwx4/T/+NbuYSeyTRINjvlhcwuOAMzyqxtRW3IX2i+5DR8eeG7Z33zwzg8Yt62xanElawNYWwyrQ== Date: Mon, 2 Apr 2018 16:00:15 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Laurent Dufour cc: paulmck@linux.vnet.ibm.com, peterz@infradead.org, akpm@linux-foundation.org, kirill@shutemov.name, ak@linux.intel.com, mhocko@kernel.org, dave@stgolabs.net, jack@suse.cz, Matthew Wilcox , benh@kernel.crashing.org, mpe@ellerman.id.au, paulus@samba.org, Thomas Gleixner , Ingo Molnar , hpa@zytor.com, Will Deacon , Sergey Senozhatsky , Andrea Arcangeli , Alexei Starovoitov , kemi.wang@intel.com, sergey.senozhatsky.work@gmail.com, Daniel Jordan , linux-kernel@vger.kernel.org, linux-mm@kvack.org, haren@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com, npiggin@gmail.com, bsingharora@gmail.com, Tim Chen , linuxppc-dev@lists.ozlabs.org, x86@kernel.org Subject: Re: [PATCH v9 12/24] mm/migrate: Pass vm_fault pointer to migrate_misplaced_page() In-Reply-To: <1520963994-28477-13-git-send-email-ldufour@linux.vnet.ibm.com> Message-ID: References: <1520963994-28477-1-git-send-email-ldufour@linux.vnet.ibm.com> <1520963994-28477-13-git-send-email-ldufour@linux.vnet.ibm.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 13 Mar 2018, Laurent Dufour wrote: > migrate_misplaced_page() is only called during the page fault handling so > it's better to pass the pointer to the struct vm_fault instead of the vma. > > This way during the speculative page fault path the saved vma->vm_flags > could be used. > > Signed-off-by: Laurent Dufour Acked-by: David Rientjes