Re: [PATCH] sched/core: Clear the root_domain cpumasks in init_rootdomain()

From: Xunlei Pang
Date: Wed Dec 02 2015 - 08:12:41 EST


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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/