linux-kernel - Re: [PATCH Bug fix 0/5] Bug fix for physical memory hot-remove.

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Message-ID: <1358944171.3351.1.camel@kernel>
Date:	Wed, 23 Jan 2013 06:29:31 -0600
From:	Simon Jeons <simon.jeons@...il.com>
To:	Tang Chen <tangchen@...fujitsu.com>
Cc:	akpm@...ux-foundation.org, rientjes@...gle.com,
	len.brown@...el.com, benh@...nel.crashing.org, paulus@...ba.org,
	cl@...ux.com, minchan.kim@...il.com,
	kosaki.motohiro@...fujitsu.com, isimatu.yasuaki@...fujitsu.com,
	wujianguo@...wei.com, wency@...fujitsu.com, hpa@...or.com,
	linfeng@...fujitsu.com, laijs@...fujitsu.com, mgorman@...e.de,
	yinghai@...nel.org, glommer@...allels.com, jiang.liu@...wei.com,
	julian.calaby@...il.com, sfr@...b.auug.org.au, x86@...nel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH Bug fix 0/5] Bug fix for physical memory hot-remove.

On Tue, 2013-01-22 at 19:42 +0800, Tang Chen wrote:
> Here are some bug fix patches for physical memory hot-remove. All these
> patches are based on the latest -mm tree.
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
> 
> And patch1 and patch3 are very important.
> patch1: free compound pages when freeing memmap, otherwise the kernel
>         will panic the next time memory is hot-added.
> patch3: the old way of freeing pagetable pages was wrong. We should never
>         split larger pages into small ones.
> 
> 

Hi Tang,

I remember your big physical memory hot-remove patchset has already
merged by Andrew, but where I can find it? Could you give me git tree 
address?

> Lai Jiangshan (1):
>   Bug-fix: mempolicy: fix is_valid_nodemask()
> 
> Tang Chen (3):
>   Bug fix: Do not split pages when freeing pagetable pages.
>   Bug fix: Fix section mismatch problem of
>     release_firmware_map_entry().
>   Bug fix: Fix the doc format in drivers/firmware/memmap.c
> 
> Wen Congyang (1):
>   Bug fix: consider compound pages when free memmap
> 
>  arch/x86/mm/init_64.c     |  148 ++++++++++++++-------------------------------
>  drivers/firmware/memmap.c |   16 +++---
>  mm/mempolicy.c            |   36 +++++++----
>  mm/sparse.c               |    2 +-
>  4 files changed, 77 insertions(+), 125 deletions(-)
> 
> --
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