Messages in this thread | | | Date | Tue, 18 Jun 2013 17:19:54 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/3] sched: don't call get_group() for covered cpus |
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On Tue, Jun 18, 2013 at 03:45:15PM +0530, Viresh Kumar wrote: > 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?
Sure. Just send a new patch and I'll substitute.
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