linux-kernel - Re: [PATCH 0/3] Minor changes to common hugetlb code for ARM

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Message-ID: <20120912152759.GR21579@dhcp22.suse.cz>
Date:	Wed, 12 Sep 2012 17:27:59 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Will Deacon <will.deacon@....com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, akpm@...ux-foundation.org,
	Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [PATCH 0/3] Minor changes to common hugetlb code for ARM

On Tue 11-09-12 17:47:13, Will Deacon wrote:
> Hello,

Hi,

> A few changes are required to common hugetlb code before the ARM support
> can be merged. I posted the main one previously, which has been picked up
> by akpm:
> 
>   http://marc.info/?l=linux-mm&m=134573987631394&w=2
> 
> The remaining three patches (included here) are all fairly minor but do
> affect other architectures.

I am quite confused. Why THP changes are required for hugetlb code for
ARM?

Besides that I would suggest adding Andrea to the CC (added now the
whole series can be found here http://lkml.org/lkml/2012/9/11/322) list
for all THP changes.

> 
> All comments welcome,
> 
> Will
> 
> Catalin Marinas (2):
>   mm: thp: Fix the pmd_clear() arguments in pmdp_get_and_clear()
>   mm: thp: Fix the update_mmu_cache() last argument passing in
>     mm/huge_memory.c
> 
> Steve Capper (1):
>   mm: Introduce HAVE_ARCH_TRANSPARENT_HUGEPAGE
> 
>  arch/x86/Kconfig              |    4 ++++
>  include/asm-generic/pgtable.h |    2 +-
>  mm/Kconfig                    |    2 +-
>  mm/huge_memory.c              |    6 +++---
>  4 files changed, 9 insertions(+), 5 deletions(-)
> 
> -- 
> 1.7.4.1
> 

-- 
Michal Hocko
SUSE Labs
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