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Don't destroy current thread's pagedir before activating a different
[pintos-anon]
/
src
/
userprog
/
addrspace.c
diff --git
a/src/userprog/addrspace.c
b/src/userprog/addrspace.c
index 1170f16ab92a7f61f1a93ad381ea49ff38208e63..e8d8305d7efb1c4a0943812a39540e5ba3f78a49 100644
(file)
--- a/
src/userprog/addrspace.c
+++ b/
src/userprog/addrspace.c
@@
-273,7
+273,6
@@
addrspace_activate (struct thread *t)
{
ASSERT (t != NULL);
- if (t->pagedir != NULL)
- pagedir_activate (t->pagedir);
+ pagedir_activate (t->pagedir);
tss_set_esp0 ((uint8_t *) t + PGSIZE);
}