[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH][RFC] Serialize scrubbing pages
Hi Keir, I'm afraid that cset18305:f10d436d9a9e makes free_domheap_page freeze. Inner loop of page_scrub_softirq which keeps page_scrub_lock takes at least 1 millisec. Is it OK? That's why I prepare a new spinlock. Thanks, Kouya Keir Fraser writes: > On 11/8/08 11:12, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote: > > > I've considered the possibility of moving this kind of thing into a service > > domain. Then it would be visible to the scheduler and be less of a hack. > > > > Anyhow, I hadn't considered the contention for the heap_lock. I think your > > patch is good and I will apply it for 3.3. > > I've simplified the patch and then checked it in. There was no need for a > new spinlock as it strictly dominated the old one. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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