From: David Miller <davem@davemloft.net>
To: aarcange@redhat.com
Cc: 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: Thu, 04 Oct 2012 14:11:36 -0400 (EDT) [thread overview]
Message-ID: <20121004.141136.1763670567147718953.davem@davemloft.net> (raw)
In-Reply-To: <20121004103548.GB6793@redhat.com>
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.
So there are already dependencies in there on the pmd_pgprot() bits
and I already did the implementation for sparc64 so that's what I'm
submitting against.
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next prev parent reply other threads:[~2012-10-04 18:11 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 [this message]
2012-10-05 9:28 ` Michal Hocko
2012-10-05 11:57 ` Andrea Arcangeli
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