[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCHv3 6/6] evtchn: pad struct evtchn to 64 bytes
>>> On 17.06.15 at 14:03, <david.vrabel@xxxxxxxxxx> wrote: > The number of struct evtchn in a page must be a power of two. Under > some workloads performance is improved slightly by padding struct > evtchn to 64 bytes (a typical cache line size), thus putting the fewer > per-channel locks into each cache line. > > This does not decrease the number of struct evtchn's per-page. > > Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx> Acked-by: Jan Beulich <jbeulich@xxxxxxxx> _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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