From bccb4fec8a3ad8a46e08124c9adf1aa54a87c9cb Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Wed, 17 Sep 2025 17:45:24 -0400
Subject: kern/amd64: mmu: Add mmu_free_vas() to cleanup VAS

Introduce a new resource deallocation function that destroys a specified
virtual address space.

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/include/vm/mmu.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/sys/include/vm/mmu.h')

diff --git a/src/sys/include/vm/mmu.h b/src/sys/include/vm/mmu.h
index 820b24d..be0678e 100644
--- a/src/sys/include/vm/mmu.h
+++ b/src/sys/include/vm/mmu.h
@@ -117,4 +117,14 @@ int mmu_new_vas(struct vm_vas *res);
  */
 int mmu_write_vas(struct vm_vas *vas);
 
+/*
+ * Destroy a virtual address space
+ *
+ * @vas: VAS to destroy
+ *
+ * Returns zero on success, otherwise a less than
+ * zero value to indicate error.
+ */
+int mmu_free_vas(struct vm_vas *vas);
+
 #endif  /* !_MACHINE_MMU_H_ */
-- 
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