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-rw-r--r--arch/um/include/asm/system.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h
index 753346e2cdfd..93af1cf0907d 100644
--- a/arch/um/include/asm/system.h
+++ b/arch/um/include/asm/system.h
@@ -3,11 +3,8 @@
#include "sysdep/system.h"
-extern void *switch_to(void *prev, void *next, void *last);
-
extern int get_signals(void);
extern int set_signals(int enable);
-extern int get_signals(void);
extern void block_signals(void);
extern void unblock_signals(void);