linux-kernel - Re: [PATCH] mm: fix hugetlb page unmap count balance issue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2023060803-trailing-ladder-2d53@gregkh>
Date:   Thu, 8 Jun 2023 09:59:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Mike Kravetz <mike.kravetz@...cle.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Junxiao Chang <junxiao.chang@...el.com>,
        kirill.shutemov@...ux.intel.com, mhocko@...e.com,
        jmarchan@...hat.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, muchun.song@...ux.dev,
        Vivek Kasireddy <vivek.kasireddy@...el.com>,
        Dongwon Kim <dongwon.kim@...el.com>,
        James Houghton <jthoughton@...gle.com>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] mm: fix hugetlb page unmap count balance issue

On Wed, Jun 07, 2023 at 02:00:01PM -0700, Andrew Morton wrote:
> On Wed, 7 Jun 2023 13:53:10 -0700 Mike Kravetz <mike.kravetz@...cle.com> wrote:
> 
> > > 
> > > BUGs aren't good.  Can we please find a way to push this along?
> > > 
> > > Have we heard anything from any udmabuf people?
> > > 
> > 
> > I have not heard anything.  When this issue popped up, it took me by surprise.
> > 
> > udmabuf maintainer (Gerd Hoffmann), the people who added hugetlb support and
> > the list where udmabuf was developed (dri-devel@...ts.freedesktop.org) have
> > been on cc.
> 
> Maybe Greg can suggest a way forward.

I'm guessing that no one is using this code then, so why don't we just
remove it entirely?

thanks,

greg k-h