diff options
| author | alc <alc@FreeBSD.org> | 2002-07-09 18:02:03 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2002-07-09 18:02:03 +0000 |
| commit | 692553edd75da36e165e4b3e89a96dfa2c91b69e (patch) | |
| tree | 5857cda65f88369328b12b1409935501ea13ce68 /sys/vm | |
| parent | 57bb0b6ca49cdd01098ab04fda81a87197188825 (diff) | |
| download | FreeBSD-src-692553edd75da36e165e4b3e89a96dfa2c91b69e.zip FreeBSD-src-692553edd75da36e165e4b3e89a96dfa2c91b69e.tar.gz | |
o Lock accesses to the page queues in vm_object_terminate().
o Eliminate some unnecessary 64-bit arithmetic in vm_object_split().
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_object.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index 1f6a2b5..da77d7f 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -590,6 +590,7 @@ vm_object_terminate(vm_object_t object) * remove them from the object. */ s = splvm(); + vm_page_lock_queues(); while ((p = TAILQ_FIRST(&object->memq)) != NULL) { KASSERT(!p->busy && (p->flags & PG_BUSY) == 0, ("vm_object_terminate: freeing busy page %p " @@ -603,6 +604,7 @@ vm_object_terminate(vm_object_t object) vm_page_remove(p); } } + vm_page_unlock_queues(); splx(s); /* @@ -1240,7 +1242,7 @@ vm_object_split(vm_map_entry_t entry) new_object, shadow_list); vm_object_clear_flag(source, OBJ_ONEMAPPING); new_object->backing_object_offset = - orig_object->backing_object_offset + IDX_TO_OFF(offidxstart); + orig_object->backing_object_offset + offset; new_object->backing_object = source; source->shadow_count++; source->generation++; |
