svn commit: r336556 - head/sys/arm64/arm64
Mark Johnston
markj at FreeBSD.org
Fri Jul 20 16:31:09 UTC 2018
Author: markj
Date: Fri Jul 20 16:31:08 2018
New Revision: 336556
URL: https://svnweb.freebsd.org/changeset/base/336556
Log:
Initialize the L3 page's wire count correctly after a L2 entry demotion.
Reviewed by: alc
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D16303
Modified:
head/sys/arm64/arm64/pmap.c
Modified: head/sys/arm64/arm64/pmap.c
==============================================================================
--- head/sys/arm64/arm64/pmap.c Fri Jul 20 16:18:24 2018 (r336555)
+++ head/sys/arm64/arm64/pmap.c Fri Jul 20 16:31:08 2018 (r336556)
@@ -4784,6 +4784,7 @@ pmap_demote_l2_locked(pmap_t pmap, pt_entry_t *l2, vm_
* If the page table page is new, initialize it.
*/
if (ml3->wire_count == 1) {
+ ml3->wire_count = NL3PG;
for (i = 0; i < Ln_ENTRIES; i++) {
l3[i] = newl3 | phys;
phys += L3_SIZE;
More information about the svn-src-all
mailing list