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@xxxxxx> Thanks, -Toshi
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