From: Gavin Shan <shangw@linux.vnet.ibm.com>
To: David Rientjes <rientjes@google.com>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>,
linux-mm@kvack.org, minchan@kernel.org, mgorman@suse.de,
akpm@linux-foundation.org
Subject: Re: [PATCH] mm/buddy: get the allownodes for dump at once
Date: Thu, 21 Jun 2012 13:16:30 +0800 [thread overview]
Message-ID: <20120621051630.GA25652@shangw> (raw)
In-Reply-To: <alpine.DEB.2.00.1206202212290.25567@chino.kir.corp.google.com>
>
>> I'm not sure it's the possible to resolve the concerns with "static" here
>> since "allownodes" will be cleared for each call to show_free_areas().
>>
>> static nodemask_t allownodes;
>>
>
>There's nothing protecting concurrent access to it. This function
>certainly isn't in a performance sensitive path so I would be inclined to
>just leave it as is.
>
Ok. Thanks for comment, David.
Thanks,
Gavin
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next prev parent reply other threads:[~2012-06-21 5:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-14 8:35 [PATCH] mm/buddy: get the allownodes for dump at once Gavin Shan
2012-06-18 2:57 ` Cong Wang
2012-06-18 3:13 ` Gavin Shan
2012-06-21 1:19 ` David Rientjes
2012-06-21 4:47 ` Gavin Shan
2012-06-21 5:13 ` David Rientjes
2012-06-21 5:16 ` Gavin Shan [this message]
2012-06-21 9:03 ` Cong Wang
2012-06-21 9:11 ` Gavin Shan
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