Date: Wed, 12 Apr 2017 10:21:58 -0700
From: Matthew Wilcox <willy@infradead.org>
To: Michal Hocko <mhocko@kernel.org>, Andi Kleen <ak@linux.intel.com>,
        akpm@linux-foundation.org, mtk.manpages@gmail.com, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, Davidlohr Bueso <dbueso@suse.de>,
        khandual@linux.vnet.ibm.com
Subject: Re: [PATCH] mm,hugetlb: compute page_size_log properly
Message-ID: <20170412172158.GF784@bombadil.infradead.org>
References: <1488992761-9464-1-git-send-email-dave@stgolabs.net>
 <20170328165343.GB27446@linux-80c1.suse>
 <20170328165513.GC27446@linux-80c1.suse>
 <20170328175408.GD7838@bombadil.infradead.org>
 <20170329080625.GC27994@dhcp22.suse.cz>
 <20170329174514.GB4543@tassilo.jf.intel.com>
 <20170330061245.GA1972@dhcp22.suse.cz>
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On Wed, Apr 12, 2017 at 09:18:29AM -0700, Davidlohr Bueso wrote:
> On Thu, 30 Mar 2017, Michal Hocko wrote:
> 
> > On Wed 29-03-17 10:45:14, Andi Kleen wrote:
> > > On Wed, Mar 29, 2017 at 10:06:25AM +0200, Michal Hocko wrote:
> > > >
> > > > Do we actually have any users?
> > > 
> > > Yes this feature is widely used.
> > 
> > Considering that none of SHM_HUGE* has been exported to the userspace
> > headers all the users would have to use the this flag by the value and I
> > am quite skeptical that application actually do that. Could you point me
> > to some projects that use this?
> 
> Hmm Andrew, if there's not one example, could you please pick up this patch?

Please comment on the replacement patch I suggested.