Clear PGA_WRITEABLE in pmap_remove_pages().

Reviewed by:	kib
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D18731
This commit is contained in:
markj 2019-01-04 17:08:45 +00:00
parent dadc779e16
commit c71bdf560e

View File

@ -2754,6 +2754,9 @@ pmap_remove_pages(pmap_t pmap)
pmap_resident_count_dec(pmap, 1);
TAILQ_REMOVE(&m->md.pv_list, pv, pv_next);
m->md.pv_gen++;
if (TAILQ_EMPTY(&m->md.pv_list) &&
(m->aflags & PGA_WRITEABLE) != 0)
vm_page_aflag_clear(m, PGA_WRITEABLE);
pmap_unuse_l3(pmap, pv->pv_va, ptepde, &free);
freed++;