git: 0a356f1eb989 - stable/13 - vm_object: Assert that overcommit charge is released in the object dtor

The branch stable/13 has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=0a356f1eb9890c691364bdfed942f7b1bf758ab6

commit 0a356f1eb9890c691364bdfed942f7b1bf758ab6
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2022-07-12 12:53:05 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2022-07-19 13:36:32 +0000

    vm_object: Assert that overcommit charge is released in the object dtor
    
    Reviewed by:    alc, kib
    Sponsored by:   The FreeBSD Foundation
    
    (cherry picked from commit e1979b45b63725972d394562f95d89f8cc9a0bb4)
---
 sys/vm/vm_object.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c
index efd646cf52e0..4272a734b233 100644
--- a/sys/vm/vm_object.c
+++ b/sys/vm/vm_object.c
@@ -204,6 +204,9 @@ vm_object_zdtor(void *mem, int size, void *arg)
 	KASSERT(object->type == OBJT_DEAD,
 	    ("object %p has non-dead type %d",
 	    object, object->type));
+	KASSERT(object->charge == 0 && object->cred == NULL,
+	    ("object %p has non-zero charge %ju (%p)",
+	    object, (uintmax_t)object->charge, object->cred));
 }
 #endif