Re: [LTP] [PATCH v3 0/7] mm/oom: extend the coverage of OOM

[Wanlong Gao <gaowanlong@cn.fujitsu.com>]

On 03/18/2013 12:13 PM, Zhouping Liu wrote:
> changed log from v1 to v2:
>  1. added a new is_numa() function instead of ISNUMA global variable;
>  2. added new patch to remove the prefix underscroe '_' of the
>     internal function name;
>  3. used SAFE_FILE_SCANF() instead of read_file().
>  4. some cleanup...
> 
> changed log from v2 to v3:
>  1. as Jan's suggestion, pass 'nodes=NULL' to get_allowed_nodes_arr()
>     in is_numa(), and free 'nodes' variable when it passed a non-NULL
>     value inside testoom().
> 
> The patch set updated all OOM testcases, and added a new testcase.
> 
> Inside old version, OOM only test MPOL_MBIND mempolicy in NUMA
> system, and the combination of CPUSET, MEMCG & NUMA is complex,
> and not clear. Also CPUSET is only used in NUMA system.
> 
> These patch set adjust them, now we can coverage the below tests:
>  1) OOM under normal - oom01
>  2) OOM under all mempolicy - oom02
>  3) OOM under MEMCG (+ mempolicy) - oom03
>  4) OOM under CPUSET (+ mempolicy)  - oom04
>  5) OOM under CPUSET & MEMCG - oom05
> 
> tested the V2 patch set, no regression found.

Acked-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>


> 
> Zhouping Liu (7):
>   lib/mem: modified _gather_cpus() as _gather_node_cpus()
>   mm/oom02: modified 'OOM for NUMA' as 'OOM for mempolicy'
>   numa_helper: added a new function is_numa()
>   mm/oom0[3|4]: added 'OOM for CPUSET' and moved 'OOM with MEMCG &
>     numa' to oom03
>   lib/mem: updated testoom() and oom() funcs
>   mm/oom05: new testcase
>   lib/mem: removed the prefix underscore '_' of the internal function
>     name
> 
>  runtest/mm                             |   1 +
>  testcases/kernel/include/numa_helper.h |   1 +
>  testcases/kernel/lib/numa_helper.c     |  24 ++++++
>  testcases/kernel/mem/include/mem.h     |   4 +-
>  testcases/kernel/mem/lib/mem.c         | 147 +++++++++++++++++++++------------
>  testcases/kernel/mem/oom/oom01.c       |   6 +-
>  testcases/kernel/mem/oom/oom02.c       |  20 +++--
>  testcases/kernel/mem/oom/oom03.c       |  24 +++++-
>  testcases/kernel/mem/oom/oom04.c       |  60 ++++++--------
>  testcases/kernel/mem/oom/oom05.c       | 147 +++++++++++++++++++++++++++++++++
>  10 files changed, 329 insertions(+), 105 deletions(-)
>  create mode 100644 testcases/kernel/mem/oom/oom05.c
> 


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