1 files changed, 1 insertions, 1 deletions
diff --git a/defs.h b/defs.h
index 661f761..a472b2e 100644
--- a/defs.h
+++ b/defs.h
@@ -107,7 +107,7 @@ void            wakeup(void*);
 void            yield(void);
 
 // swtch.S
-void            swtch(struct context*, struct context*);
+void            swtch(struct context**, struct context**);
 
 // spinlock.c
 void            acquire(struct spinlock*);