From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
To: Jan Stancek <jstancek@redhat.com>
Cc: ltp-list@lists.sourceforge.net, Jeffrey Burke <jburke@redhat.com>
Subject: Re: [LTP] [PATCH v3] mbind01, get_mempolicy01: dont use hardcoded node 0
Date: Fri, 25 May 2012 15:14:56 +0800 [thread overview]
Message-ID: <4FBF3170.80901@cn.fujitsu.com> (raw)
In-Reply-To: <4FBF2F29.6030603@redhat.com>
On 05/25/2012 03:05 PM, Jan Stancek wrote:
>
> These tests are failing on following setup:
> # numactl -H
> available: 2 nodes (0-1)
> node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
> 23 24 25 26 27 28 29 30 31
> node 0 size: 0 MB
> node 0 free: 0 MB
> node 1 cpus:
> node 1 size: 12288 MB
> node 1 free: 9998 MB
> node distances:
> node 0 1
> 0: 10 40
> 1: 40 10
>
> Avoid hardcoded node 0 by picking first available node obtained using
> get_mempolicy(..., MPOL_F_MEMS_ALLOWED);
>
> Using whole nodemask doesn't work with MPOL_PREFERRED, because set_mempolicy
> will use only first node and subsequent check for bitmask equality fails.
>
Thank you Jan,
Acked-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
> Signed-off-by: Jan Stancek <jstancek@redhat.com>
> ---
> .../syscalls/get_mempolicy/get_mempolicy01.c | 22 ++++++++++++++++++-
> testcases/kernel/syscalls/mbind/mbind01.c | 22 ++++++++++++++++++-
> 2 files changed, 40 insertions(+), 4 deletions(-)
>
>
>
>
>
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prev parent reply other threads:[~2012-05-25 7:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-25 7:05 [LTP] [PATCH v3] mbind01, get_mempolicy01: dont use hardcoded node 0 Jan Stancek
2012-05-25 7:14 ` Wanlong Gao [this message]
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