[LTP] [PATCH] mem/lib: remove NH_CPUS flag from get_allowed_nodes_arr

Jan Stancek jstancek@redhat.com
Wed Mar 20 13:11:19 CET 2019



----- Original Message -----
> ping~
> 
> On Fri, Feb 22, 2019 at 3:11 PM Li Wang < liwang@redhat.com > wrote:
> 
> 
> A new BROK was occurred on a special numa system which node 1 just has
> memory but no cpu. This special configuration makes numa system detection
> is_numa(NULL, NH_MEMS, 2) get pass in setup() but test failed in the mem.c
> library funcion test_ksm_merge_across_nodes becuase the NH_CPUS is to requre
> testing node should have cpu.
> 
> However, I have gone though all of our LTP ksm tests and confirmed that there
> is no necessary to do cpu check for it, actully only ksm06 invoke that
> funcion.
> In this patch I just remove the NH_CPUS flag to get ksm06 test pass.
> 
> # numactl -H
> available: 2 nodes (0-1)
> node 0 cpus: 0 1 2 3 4 5 6 7
> node 0 size: 31431 MB
> node 0 free: 26355 MB
> node 1 cpus:
> node 1 size: 255 MB
> node 1 free: 213 MB
> node distances:
> node 0 1
> 0: 10 40
> 1: 40 10
> 
> # ./ksm06
> tst_test.c:1085: INFO: Timeout per run is 0h 10m 00s
> mem.c:539: INFO: need NUMA system support
> tst_test.c:920: BROK: Test haven't reported results!
> 
> Signed-off-by: Li Wang < liwang@redhat.com >

Pushed.

Thanks,
Jan


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