linux-kernel - Re: [PATCH] mm,hugetlb: compute page_size

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Message-ID: <20170412161829.GA16422@linux-80c1.suse>
Date:   Wed, 12 Apr 2017 09:18:29 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Matthew Wilcox <willy@...radead.org>,
        akpm@...ux-foundation.org, mtk.manpages@...il.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Davidlohr Bueso <dbueso@...e.de>, khandual@...ux.vnet.ibm.com
Subject: Re: [PATCH] mm,hugetlb: compute page_size_log properly

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?

Thanks,
Davidlohr