Mark Johnston b0fd461524 Avoid erroneously clearing PGA_WRITEABLE in riscv's pmap_enter().
During a CoW fault, we must check for both 4KB and 2MB mappings before
clearing PGA_WRITEABLE on the old mapping's page.  Previously we were
only checking for 4KB mappings.  This was missed in r344106.

MFC after:	3 days
Sponsored by:	The FreeBSD Foundation
2019-10-08 15:03:48 +00:00
..
2019-09-16 22:17:16 +00:00