Messages in this thread | | | From | Al Boldi <> | Subject | Re: [RFC] VM: I have a dream... | Date | Thu, 2 Feb 2006 15:26:08 +0300 |
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Jamie Lokier wrote: > If I understand your scheme, you're suggesting the kernel accesses > disks, filesystems, etc. by simply reading and writing somewhere in > the 64-bit address space. > > At some level, that will involve page faults to move data between RAM and > disk. > > Those page faults are relatively slow - governed by the CPU's page > fault mechanism. Probably slower than what the kernel does now: > testing flags and indirecting through "struct page *".
Is there a way to benchmark this difference?
Thanks!
-- Al
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