From: Michal Hocko <mhocko@suse.cz>
To: David Miller <davem@davemloft.net>
Cc: aarcange@redhat.com, akpm@linux-foundation.org,
linux-mm@kvack.org, sparclinux@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
hannes@cmpxchg.org, gerald.schaefer@de.ibm.com
Subject: Re: [PATCH 0/8] THP support for Sparc64
Date: Fri, 5 Oct 2012 11:28:10 +0200 [thread overview]
Message-ID: <20121005092810.GA27763@dhcp22.suse.cz> (raw)
In-Reply-To: <20121004.141136.1763670567147718953.davem@davemloft.net>
On Thu 04-10-12 14:11:36, David Miller wrote:
> From: Andrea Arcangeli <aarcange@redhat.com>
> Date: Thu, 4 Oct 2012 12:35:48 +0200
>
> > Hi Dave,
> >
> > On Wed, Oct 03, 2012 at 10:00:27PM -0400, David Miller wrote:
> >> From: Andrew Morton <akpm@linux-foundation.org>
> >> Date: Tue, 2 Oct 2012 15:55:44 -0700
> >>
> >> > I had a shot at integrating all this onto the pending stuff in linux-next.
> >> > "mm: Add and use update_mmu_cache_pmd() in transparent huge page code."
> >> > needed minor massaging in huge_memory.c. But as Andrea mentioned, we
> >> > ran aground on Gerald's
> >> > http://ozlabs.org/~akpm/mmotm/broken-out/thp-remove-assumptions-on-pgtable_t-type.patch,
> >> > part of the thp-for-s390 work.
> >>
> >> While working on a rebase relative to this work, I noticed that the
> >> s390 patches don't even compile.
> >>
> >> It's because of that pmd_pgprot() change from Peter Z. which arrives
> >> asynchonously via the linux-next tree. It makes THP start using
> >> pmd_pgprot() (a new interface) which the s390 patches don't provide.
> >
> > My suggestion would be to ignore linux-next and port it to -mm only
> > and re-send to Andrew. schednuma is by mistake in linux-next, and
> > it's not going to get merged as far as I can tell.
>
> Sorry Andrea, that simply is impractical.
>
> The first thing Andrew's patch series does is include linux-next,
> therefore every THP and MM patch in his series is against linux-next.
FWIW there is also a pure -mm (non-rebased) git tree at
http://git.kernel.org/?p=linux/kernel/git/mhocko/mm.git;a=summary
since-3.6 branch. It is based on top of 3.6 with mm patches from
Andrew's tree.
HTH
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2012-10-05 9:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 22:26 [PATCH 0/8] THP support for Sparc64 David Miller
2012-10-02 22:55 ` Andrew Morton
2012-10-03 0:53 ` David Miller
2012-10-04 2:00 ` David Miller
2012-10-04 10:35 ` Andrea Arcangeli
2012-10-04 18:11 ` David Miller
2012-10-05 9:28 ` Michal Hocko [this message]
2012-10-05 11:57 ` Andrea Arcangeli
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