sweep through entire page table to free up intermediate tables

[lunaix-os.git] / lunaix-os / arch / generic / procvm.c

diff --git a/lunaix-os/arch/generic/procvm.c b/lunaix-os/arch/generic/procvm.c
index 91c4845c5bf5e9495035e57df706017633346a9e..ec288d3f6d84d8253cae011b926ccba728ccf89b 100644 (file)
--- a/lunaix-os/arch/generic/procvm.c
+++ b/lunaix-os/arch/generic/procvm.c
@@ -30,7 +30,22 @@ procvm_link_kernel(ptr_t dest_mnt)
 }
 
 _default void
-procvm_unlink_kernel()
+procvm_unlink_kernel(ptr_t dest_mnt)
 {
-    // nothing to do here.
+    pte_t *ptep_smx, *src_smx;
+    unsigned int i;
+    
+    i = va_level_index(KERNEL_RESIDENT, L0T_SIZE);
+    ptep_smx = mkl1tep_va(VMS_SELF, dest_mnt);
+    src_smx  = mkl0tep_va(VMS_SELF, 0);
+
+    for (; i < LEVEL_SIZE; i++)
+    {
+        pte_t* ptep = &ptep_smx[i];
+        if (lntep_implie_vmnts(ptep, L0T_SIZE)) {
+            continue;
+        }
+
+        set_pte(ptep, null_pte);
+    }
 }
\ No newline at end of file