From 79e18e209ccd21f4976e8b795cbbffbfbde3edc1 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 27 Mar 2025 02:36:17 -0400
Subject: kernel: vm: Add munmap() impl

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/include/sys/mman.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'sys/include')

diff --git a/sys/include/sys/mman.h b/sys/include/sys/mman.h
index 98ff8fe..4ead9ba 100644
--- a/sys/include/sys/mman.h
+++ b/sys/include/sys/mman.h
@@ -80,6 +80,9 @@ struct mmap_lgdr {
     size_t nbytes;
 };
 
+/* Kernel munmap() routine */
+int munmap_at(void *addr, size_t len);
+
 /* Kernel mmap() routine */
 void *mmap_at(void *addr, size_t len, int prot, int flags,
               int fildes, off_t off);
@@ -90,5 +93,6 @@ RBT_PROTOTYPE(lgdr_entries, mmap_entry, hd, mmap_entrycmp)
 
 /* Syscall layer */
 scret_t mmap(struct syscall_args *scargs);
+scret_t munmap(struct syscall_args *scargs);
 
 #endif  /* !_SYS_MMAN_H_ */
-- 
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