chs 7d353e82b0 - in PMAP_IS_ACTIVE(), the kernel pmap is always active, and we don't
need to check for curproc being non-NULL since none of the pmap
   interfaces which are legal to use in interrupt handlers use this macro.
 - use the hit op when flushing the cache in pmap_kremove().
 - avoid trusting the optimizer in pmap_clear_reference().
 - fix pmap_clear_modify() to reset the mod-bit emulation so we can
   detect further modifications to the page, also flushing the cache
   for any mappings which might have dirty lines.
2001-09-09 19:48:12 +00:00
2001-09-09 17:42:46 +00:00
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