diff options
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/pmap.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index d16bf02..67ac6f6 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -2094,9 +2094,19 @@ retry: mpte->wire_count++; } else { mpte = _pmap_allocpte(pmap, ptepindex, - M_WAITOK); - if (mpte == NULL) + M_NOWAIT); + if (mpte == NULL) { + PMAP_UNLOCK(pmap); + vm_page_busy(m); + vm_page_unlock_queues(); + VM_OBJECT_UNLOCK(m->object); + VM_WAIT; + VM_OBJECT_LOCK(m->object); + vm_page_lock_queues(); + vm_page_wakeup(m); + PMAP_LOCK(pmap); goto retry; + } } } } else { |
