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

Tang Chen
2013-01-28T01:23:08Z

On 01/26/2013 02:19 AM, Toshi Kani wrote:
> 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.
>>
>>
>> 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(-)
>
> This patchset fixed a blocker panic I was hitting in my memory hot-plug
> testing. Memory hotplug works fine with this patchset (for testing my
> hotplug framework patchset :). For the series:

Hi Toshi-san,

Thank you for testing. :)

>
> Tested-by: Toshi Kani<toshi.kani@hp.com>
>
> Thanks,
> -Toshi
>
>
>
>