[Devel] Re: [PATCH 0/8] checkpoint/restart: sysvshm fixes and hugetlb support

[Oren Laadan]

Hi Nathan,

Thanks for the patch series. For starters, I'll pull
patches 1-3 for ckpt-v22-dev. I'll wait for reviews
for the others.

Oren.

On 09/14/2010 04:02 PM, Nathan Lynch wrote:
> The following patches implement c/r for huge pages and fix a couple of
> minor issues in the SysV shm c/r code I noticed in the process.
> 
> Tested on i386, x86_64, and ppc64.
> 
> Nathan Lynch (8):
>   sysvshm: check for hugetlb before assuming shmem
>   sysvshm: report error on failure to reattach, avoid crash
>   checkpoint/sysvshm: release rwsem earlier during restore
>   checkpoint/ipc: allow shmat callers to specify ipc namespace
>   checkpoint/restart of anonymous hugetlb mappings
>   remove VM_HUGETLB and VM_RESERVED from CKPT_VMA_NOT_SUPPORTED
>   hugetlbfs checkpoint/restart hooks
>   checkpoint/restart of SysV SHM_HUGETLB regions
> 
>  fs/hugetlbfs/inode.c           |   24 ++++-
>  include/linux/checkpoint.h     |    7 +-
>  include/linux/checkpoint_hdr.h |   16 +++
>  include/linux/hugetlb.h        |   11 ++
>  include/linux/shm.h            |    8 +-
>  ipc/checkpoint_shm.c           |  172 ++++++++++++++++++++++++---
>  ipc/shm.c                      |   17 ++--
>  mm/checkpoint.c                |   13 ++
>  mm/hugetlb.c                   |  257 ++++++++++++++++++++++++++++++++++++++++
>  9 files changed, 491 insertions(+), 34 deletions(-)
> 
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