Author: markj
Date: Tue Jun 4 17:25:22 2019
New Revision: 348638
URL: https://svnweb.freebsd.org/changeset/base/348638
Log:
MFC r342764:
Clear PGA_WRITEABLE in pmap_remove_pages().
Modified:
stable/12/sys/riscv/riscv/pmap.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/riscv/riscv/pmap.c
==============================================================================
--- stable/12/sys/riscv/riscv/pmap.c Tue Jun 4 17:24:52 2019
(r348637)
+++ stable/12/sys/riscv/riscv/pmap.c Tue Jun 4 17:25:22 2019
(r348638)
@@ -2745,6 +2745,9 @@ 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++;
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