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 cc7d3df2e53d00736bf983b5c26b892be478dbab..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);
@@ -70,10 +80,10 @@ region_copy_mm(struct proc_mm* src, struct proc_mm* dest);
 struct mm_region*
 region_dup(struct mm_region* origin);
 
-static inline pte_attr_t
-region_pteprot(struct mm_region* vmr)
+static inline pte_t
+region_tweakpte(struct mm_region* vmr, pte_t pte)
 {
-    return translate_vmr_prot(vmr->attr);
+    return translate_vmr_prot(vmr->attr, pte);
 }
 
 #endif /* __LUNAIX_REGION_H */