diff options
| author | alc <alc@FreeBSD.org> | 2003-06-27 18:52:49 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2003-06-27 18:52:49 +0000 |
| commit | 0b4d9704b927e84d9d5616e2ae39c36679ea5588 (patch) | |
| tree | d63c7a635029f751d6125414aa90a8bbedf82873 /sys/vm | |
| parent | 18f839d3f2bc36f2a3d30c89fcc3d8c0eb011f89 (diff) | |
| download | FreeBSD-src-0b4d9704b927e84d9d5616e2ae39c36679ea5588.zip FreeBSD-src-0b4d9704b927e84d9d5616e2ae39c36679ea5588.tar.gz | |
Simple read-modify-write operations on a vm object's flags, ref_count, and
shadow_count can now rely on its mutex for synchronization. Remove one use
of Giant from vm_map_insert().
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_map.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index ca8b798..642afbd 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -821,14 +821,10 @@ vm_map_insert(vm_map_t map, vm_object_t object, vm_ooffset_t offset, * reference counting is insufficient to recognize * aliases with precision.) */ - if (object != kmem_object) - mtx_lock(&Giant); VM_OBJECT_LOCK(object); if (object->ref_count > 1 || object->shadow_count != 0) vm_object_clear_flag(object, OBJ_ONEMAPPING); VM_OBJECT_UNLOCK(object); - if (object != kmem_object) - mtx_unlock(&Giant); } else if ((prev_entry != &map->header) && (prev_entry->eflags == protoeflags) && |
