From 51ad0de583015668df07b278ea4a8076e774b219 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 1 May 2024 21:59:57 -0400
Subject: kernel: vm_vnode: Ref the virtual memory object
Signed-off-by: Ian Moffett <ian@osmora.org>
---
sys/vm/vm_vnode.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sys/vm/vm_vnode.c b/sys/vm/vm_vnode.c
index 707f7b4..e3d95ac 100644
--- a/sys/vm/vm_vnode.c
+++ b/sys/vm/vm_vnode.c
@@ -72,6 +72,7 @@ vn_pager_io(struct vm_object *obj, off_t off, size_t len,
}
spinlock_acquire(&obj->lock);
+ vm_object_ref(obj);
dest = PHYS_TO_VIRT(pg->physaddr);
/* Attempt to fetch the vnode */
@@ -95,6 +96,7 @@ vn_pager_io(struct vm_object *obj, off_t off, size_t len,
goto done;
}
done:
+ vm_object_unref(obj);
spinlock_release(&obj->lock);
return res;
}
--
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