Jason A. Harmening 8dc8feb53d Clean up a couple of MD warts in vm_fault_populate(): ... --Eliminate a big ifdef that encompassed all currently-supported architectures except mips and powerpc32. This applied to the case in which we've allocated a superpage but the pager-populated range is insufficient for a superpage mapping. For platforms that don't support superpages the check should be inexpensive as we shouldn't get a superpage in the first place. Make the normal-page fallback logic identical for all platforms and provide a simple implementation of pmap_ps_enabled() for MIPS and Book-E/AIM32 powerpc. --Apply the logic for handling pmap_enter() failure if a superpage mapping can't be supported due to additional protection policy. Use KERN_PROTECTION_FAILURE instead of KERN_FAILURE for this case, and note Intel PKU on amd64 as the first example of such protection policy. Reviewed by: kib, markj, bdragon Differential Revision: https://reviews.freebsd.org/D29439		2021-03-30 18:15:55 -07:00
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include	Clean up a couple of MD warts in vm_fault_populate():	2021-03-30 18:15:55 -07:00
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