Messages in this thread | | | Date | Mon, 28 Jan 2013 09:33:49 +0800 | From | Tang Chen <> | Subject | Re: [PATCH Bug fix 0/5] Bug fix for physical memory hot-remove. |
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On 01/25/2013 09:17 PM, Michal Hocko wrote: > On Wed 23-01-13 06:29:31, Simon Jeons 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. >>> >>> >> >> 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? > > Andrew tree is also mirrored into a git tree. > http://git.kernel.org/?p=linux/kernel/git/mhocko/mm.git;a=summary > > It contains only Memory management patches on top of the last major > release (since-.X.Y branch).
Hi Michal,
I'm not sure I got your meaning. :)
In http://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm, I can find the following commit.
commit deed0460e01b3968f2cf46fb94851936535b7e0d Author: Tang Chen <tangchen@cn.fujitsu.com> Date: Sat Jan 19 11:07:13 2013 +1100
memory-hotplug: do not allocate pgdat if it was not freed when offline.
This is one of memory hot-remove patches. Please try to update the mirror tree, and try to find the above commit.
Thanks. :)
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