From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752288AbeDXQaC (ORCPT <rfc822;w@1wt.eu>);
        Tue, 24 Apr 2018 12:30:02 -0400
Received: from mx2.suse.de ([195.135.220.15]:41176 "EHLO mx2.suse.de"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1750868AbeDXQ36 (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Tue, 24 Apr 2018 12:29:58 -0400
Date: Tue, 24 Apr 2018 10:29:55 -0600
From: Michal Hocko <mhocko@kernel.org>
To: Mikulas Patocka <mpatocka@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>,
        David Miller <davem@davemloft.net>,
        Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        eric.dumazet@gmail.com, edumazet@google.com, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com,
        virtualization@lists.linux-foundation.org, dm-devel@redhat.com,
        Vlastimil Babka <vbabka@suse.cz>
Subject: Re: [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM
Message-ID: <20180424162955.GN17484@dhcp22.suse.cz>
References: <alpine.LRH.2.02.1804201635180.25408@file01.intranet.prod.int.rdu2.redhat.com>
 <20180420210200.GH10788@bombadil.infradead.org>
 <alpine.LRH.2.02.1804201704580.25408@file01.intranet.prod.int.rdu2.redhat.com>
 <20180421144757.GC14610@bombadil.infradead.org>
 <alpine.LRH.2.02.1804221733520.7995@file01.intranet.prod.int.rdu2.redhat.com>
 <20180423151545.GU17484@dhcp22.suse.cz>
 <alpine.LRH.2.02.1804232006540.2299@file01.intranet.prod.int.rdu2.redhat.com>
 <20180424133146.GG17484@dhcp22.suse.cz>
 <alpine.LRH.2.02.1804241107010.31601@file01.intranet.prod.int.rdu2.redhat.com>
 <20180424161242.GK17484@dhcp22.suse.cz>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20180424161242.GK17484@dhcp22.suse.cz>
User-Agent: Mutt/1.9.4 (2018-02-28)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Tue 24-04-18 10:12:42, Michal Hocko wrote:
> On Tue 24-04-18 11:30:40, Mikulas Patocka wrote:
> > 
> > 
> > On Tue, 24 Apr 2018, Michal Hocko wrote:
> > 
> > > On Mon 23-04-18 20:25:15, Mikulas Patocka wrote:
> > > 
> > > > Fixing __vmalloc code 
> > > > is easy and it doesn't require cooperation with maintainers.
> > > 
> > > But it is a hack against the intention of the scope api.
> > 
> > It is not!
> 
> This discussion simply doesn't make much sense it seems. The scope API
> is to document the scope of the reclaim recursion critical section. That
> certainly is not a utility function like vmalloc.

http://lkml.kernel.org/r/20180424162712.GL17484@dhcp22.suse.cz

let's see how it rolls this time.
-- 
Michal Hocko
SUSE Labs