Mark Johnston 7c59ec14e6 Fix a use-after-free in the riscv pmap_release() implementation.
Don't bother zeroing the top-level page before freeing it.  Previously,
the page was freed before being zeroed.

Reviewed by:	jhb, kib
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D18720
2019-01-03 16:26:52 +00:00
..
2019-01-03 16:11:21 +00:00