From: Xunlei Pang <xlpang@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH] sched/core: Clear the root_domain cpumasks in init_rootdomain()
Date: Wed, 2 Dec 2015 21:12:30 +0800 [thread overview]
Message-ID: <565EEE3E.30301@redhat.com> (raw)
In-Reply-To: <20151202123414.GB9928@worktop.ger.corp.intel.com>
Hi Peter,
On 12/02/2015 at 08:34 PM, Peter Zijlstra wrote:
> On Wed, Dec 02, 2015 at 07:52:59PM +0800, Xunlei Pang wrote:
>> The patch cleans the garbage by using zalloc_cpumask_var()
>> instead of alloc_cpumask_var() for root_domain::rto_mask
>> allocation, thereby addressing the issues.
> How did you notice this? Also do we want to do the same for the kmalloc
When doing review.
> in alloc_rootdomain() ?
There is a "memset(rd, 0, sizeof(*rd))" in init_rootdomain(),
so I don't think we need to do this in alloc_rootdomain().
Regards,
Xunlei
next prev parent reply other threads:[~2015-12-02 13:12 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-02 11:52 [PATCH] sched/core: Clear the root_domain cpumasks in init_rootdomain() Xunlei Pang
2015-12-02 12:34 ` Peter Zijlstra
2015-12-02 13:12 ` Xunlei Pang [this message]
2015-12-02 16:25 ` Peter Zijlstra
2015-12-03 2:44 ` Xunlei Pang
2015-12-03 8:28 ` Ingo Molnar
2015-12-03 11:52 ` Xunlei Pang
2015-12-04 8:09 ` Ingo Molnar
2015-12-04 8:27 ` Peter Zijlstra
2015-12-04 8:30 ` Ingo Molnar
2015-12-04 8:28 ` Xunlei Pang
2015-12-04 8:30 ` Ingo Molnar
2015-12-03 9:35 ` Peter Zijlstra
2015-12-04 11:52 ` [tip:locking/core] " tip-bot for Xunlei Pang
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