From: Sharyathi Nagesh <sharyath@in.ibm.com>
To: liubo <liubo2009@cn.fujitsu.com>
Cc: "Rishikesh K. Rajak" <risrajak@in.ibm.com>,
ltp-list@lists.sourceforge.net
Subject: Re: [LTP] [PATCH][RFC]Testcases mbind01.c and get_mempolicy01 fails with EINVAL
Date: Sat, 07 Nov 2009 06:46:53 +0530 [thread overview]
Message-ID: <4AF4CA85.8050206@in.ibm.com> (raw)
In-Reply-To: <4AEFF972.3080405@cn.fujitsu.com>
Liu
Excuse me for the late response. I looked into Kconfig file and it looks that what you
are saying is correct assessment.
This is what Kconfig file under arch/x86 says
---------------------------------------------------------------------------------------
config MAXSMP
bool "Configure Maximum number of SMP Processors and NUMA Nodes"
depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL
---------------------------------------------------------------------------------------
So this value is changed only specific to x86_64 arch
And check for ppc64 didn't reveal any modification to the MAX_NUMNODE value.
As you put it reading this value from configure file appears to be a better idea
Thanks
Sharyathi
On Tuesday 03 November 2009 03:05 PM, liubo wrote:
>> int uninitialized_var(pval);
>> nodemask_t nodes;
>>
>> if (nmask != NULL&& maxnode< MAX_NUMNODES)
>> return -EINVAL;
>> <== in the kernel code,
>> MAX_NUMNODES comes to 512
>
> Is it better that "MAX_NUMNODES" get from configure file?
>
> For different platforms may have different MAX_NUMNODES.
>
>
> Regards--
> Liu Bo
>
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prev parent reply other threads:[~2009-11-06 13:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-03 9:17 [LTP] [PATCH][RFC]Testcases mbind01.c and get_mempolicy01 fails with EINVAL Sharyathi Nagesh
2009-11-03 9:35 ` liubo
2009-11-07 1:16 ` Sharyathi Nagesh [this message]
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