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List:       ltp-list
Subject:    Re: [LTP] [PATCH] mbind01, get_mempolicy01: dont use hardcoded node 0
From:       Jan Stancek <jstancek () redhat ! com>
Date:       2012-05-24 13:02:34
Message-ID: 3260b6d6-ee3a-4c87-a51a-424c96f62514 () zmail17 ! collab ! prod ! int ! phx2 ! redhat ! com
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----- Original Message -----
> From: "Caspar Zhang" <caspar@casparzhang.com>
> To: "Jan Stancek" <jstancek@redhat.com>
> Cc: ltp-list@lists.sourceforge.net, "Jeffrey Burke" <jburke@redhat.com>
> Sent: Thursday, 24 May, 2012 2:22:28 PM
> Subject: Re: [LTP] [PATCH] mbind01, get_mempolicy01: dont use hardcoded node 0
> 
> On 05/23/2012 07:02 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 using numa_get_mems_allowed().
> > 
> > Signed-off-by: Jan Stancek <jstancek@redhat.com>
> > ---
> Reviewed-by: Caspar Zhang <caspar@casparzhang.com>
> 
> 

Please hold off from comitting this patch,
I just found it breaks on larger NUMA systems in get_mempolicy.

Regards,
Jan

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