Bruce Evans 83eab616cf Don't keep cpu interrupts enabled during the lookup in vm_page_zero_idle().
Lookup isn't done every time the system goes idle now, but it can still
take > 1800 instructions in the worst case, so if cpu interrupts are kept
disabled then it might lose 20 characters of sio input at 115200 bps.

Fixed style in vm_page_zero_idle().
1997-03-29 04:35:26 +00:00
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