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Initialize the L3 page's wire count correctly after a L2 entry demotion.

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Reviewed by:	alc
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D16303
This commit is contained in:
markj 2018-07-20 16:31:08 +00:00
parent c0ec351d24
commit a8c7d78955
1 changed files with 1 additions and 0 deletions
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1
sys/arm64/arm64/pmap.c
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@ -4784,6 +4784,7 @@ pmap_demote_l2_locked(pmap_t pmap, pt_entry_t *l2, vm_offset_t va,
* 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;