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xen-devel
RE: [Xen-devel] [RFC] i386 highmem assist hypercalls
>From: Jan Beulich
>Sent: 2008年7月24日 21:26
>
>While looking at the origin of very frequently executed hypercalls (as
>usual, kernel builds are what's being measured), I realized
>that the high
>page accessor functions in Linux would be good candidates to handle
>in the hypervisor - clearing or copying to/from a high page is a pretty
>frequent operation (provided there's enough memory). However, the
>measured results aren't exactly as expected: While the number of
>hypercalls dropped by almost 20%, elapsed real time for the builds
Total hypercall nr, or just original kmap caused hypercall nr?
Thanks,
Kevin
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