diff options
| author | Mateusz Guzik <mjg@FreeBSD.org> | 2022-08-07 13:05:47 +0000 |
|---|---|---|
| committer | Mateusz Guzik <mjg@FreeBSD.org> | 2023-03-11 11:08:21 +0000 |
| commit | 73b951cd39148accf768d01344a752c377ea4475 (patch) | |
| tree | 64a0bbfc412ca4e4486fd0928daea45c284a9f75 | |
| parent | 44b31d37ad2bf02dbfe511f986c4c053191ddeca (diff) | |
| download | src-73b951cd39148accf768d01344a752c377ea4475.tar.gz src-73b951cd39148accf768d01344a752c377ea4475.zip | |
vm: move up object lock asserts in fault functions
No functional changes.
Reviewed by: kib
Reviewed by: markj
Tested by: pho
Differential Revision: https://reviews.freebsd.org/D38964
| -rw-r--r-- | sys/vm/vm_fault.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index 336cee7ca972..2afe5a19d2d7 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -1047,6 +1047,8 @@ vm_fault_next(struct faultstate *fs) { vm_object_t next_object; + VM_OBJECT_ASSERT_WLOCKED(fs->object); + /* * The requested page does not exist at this object/ * offset. Remove the invalid page from the object, @@ -1067,7 +1069,6 @@ vm_fault_next(struct faultstate *fs) * Move on to the next object. Lock the next object before * unlocking the current one. */ - VM_OBJECT_ASSERT_WLOCKED(fs->object); next_object = fs->object->backing_object; if (next_object == NULL) return (false); @@ -1382,6 +1383,8 @@ vm_fault_object(struct faultstate *fs, int *behindp, int *aheadp) enum fault_status res; bool dead; + VM_OBJECT_ASSERT_WLOCKED(fs->object); + /* * If the object is marked for imminent termination, we retry * here, since the collapse pass has raced with us. Otherwise, @@ -1416,7 +1419,6 @@ vm_fault_object(struct faultstate *fs, int *behindp, int *aheadp) return (FAULT_SOFT); } } - VM_OBJECT_ASSERT_WLOCKED(fs->object); /* * Page is not resident. If the pager might contain the page |