diff options
Diffstat (limited to 'sys/vm/vm_fault.c')
| -rw-r--r-- | sys/vm/vm_fault.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index b6e8b52..16f8272 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -1026,9 +1026,13 @@ vm_fault_wire(vm_map_t map, vm_offset_t start, vm_offset_t end, * read-only sections. */ for (va = start; va < end; va += PAGE_SIZE) { + if (map->system_map) + mtx_lock(&Giant); rv = vm_fault(map, va, user_wire ? VM_PROT_READ : VM_PROT_READ | VM_PROT_WRITE, user_wire ? VM_FAULT_USER_WIRE : VM_FAULT_CHANGE_WIRING); + if (map->system_map) + mtx_unlock(&Giant); if (rv) { if (va != start) vm_fault_unwire(map, start, va, fictitious); |
