Fix the unsuitable use of pa2page in lab5

2015-05-04 19:45:53 +08:00
parent 77d23ca519
commit 2cde1118f4
3 changed files with 8 additions and 8 deletions
--- a/labcodes/lab5/kern/mm/vmm.c
+++ b/labcodes/lab5/kern/mm/vmm.c
@@ -353,7 +353,7 @@ check_pgfault(void) {
    assert(sum == 0);

    page_remove(pgdir, ROUNDDOWN(addr, PGSIZE));
-    free_page(pa2page(pgdir[0]));
+    free_page(pde2page(pgdir[0]));
    pgdir[0] = 0;

    mm->pgdir = NULL;