Messages in this thread | ![/](/images/icornerl.gif) | | Date | 4 Oct 2003 11:17:03 +0200 | Date | Sat, 4 Oct 2003 11:17:03 +0200 | From | Andi Kleen <> | Subject | Re: mlockall and mmap of IO devices don't mix |
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> This check is only done, if it is a valid pfn (pfn_valid()) of a present > pte.
pfn_valid is useless, it doesn't handle all IO holes on x86 for examples.
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