diff options
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 045b634..3cf15d1 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -3961,16 +3961,15 @@ pmap_pvh_wired_mappings(struct md_page *pvh, int count) boolean_t pmap_page_is_mapped(vm_page_t m) { - struct md_page *pvh; + boolean_t rv; if ((m->flags & (PG_FICTITIOUS | PG_UNMANAGED)) != 0) return (FALSE); - mtx_assert(&vm_page_queue_mtx, MA_OWNED); - if (TAILQ_EMPTY(&m->md.pv_list)) { - pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m)); - return (!TAILQ_EMPTY(&pvh->pv_list)); - } else - return (TRUE); + vm_page_lock_queues(); + rv = !TAILQ_EMPTY(&m->md.pv_list) || + !TAILQ_EMPTY(&pa_to_pvh(VM_PAGE_TO_PHYS(m))->pv_list); + vm_page_unlock_queues(); + return (rv); } /* |
