fix leakage on mid-level page table when freeing vms

[lunaix-os.git] / lunaix-os / includes / lunaix / mm / region.h

diff --git a/lunaix-os/includes/lunaix/mm/region.h b/lunaix-os/includes/lunaix/mm/region.h
index c15f1c3b62947820652154de38b0564fd2119bf1..34e517ea41fbeb747aeb0eabd5c1b13a00945289 100644 (file)
--- a/lunaix-os/includes/lunaix/mm/region.h
+++ b/lunaix-os/includes/lunaix/mm/region.h
@@ -40,6 +40,16 @@ writable_region(struct mm_region* mm) {
     return !!(mm->attr & (REGION_RSHARED | REGION_WRITE));
 }
 
+static inline bool
+readable_region(struct mm_region* mm) {
+    return !!(mm->attr & (REGION_RSHARED | REGION_READ));
+}
+
+static inline bool
+executable_region(struct mm_region* mm) {
+    return !!(mm->attr & REGION_EXEC);
+}
+
 static inline bool
 shared_writable_region(struct mm_region* mm) {
     return !!(mm->attr & REGION_WSHARED);