Messages in this thread | | | Date | Tue, 18 Jun 2013 15:45:15 +0530 | Subject | Re: [PATCH 2/3] sched: don't call get_group() for covered cpus | From | Viresh Kumar <> |
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On 18 June 2013 15:33, Peter Zijlstra <peterz@infradead.org> wrote: > On Tue, Jun 11, 2013 at 04:32:44PM +0530, Viresh Kumar wrote: >> In build_sched_groups() we don't need to call get_group() for cpus which are >> already covered in previous iterations. So, call get_group() after checking if >> cpu is covered or not. >> > > Aside from not needing it; doing it would mark the group used and > eventually leak it since we wouldn't connect it and not find it again to > free it, right? > > So effectively this fixes a memory leak?
Exactly. To be precise: In cases where sg->cpumask contained more than one cpu (For any topology level), this patch helps freeing sg's memory for all cpus leaving the group leader.
May I update the logs again?
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