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-rw-r--r--arch/um/include/shared/kern_util.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h
index 9c08e728a675..2888ec812f6e 100644
--- a/arch/um/include/shared/kern_util.h
+++ b/arch/um/include/shared/kern_util.h
@@ -68,5 +68,6 @@ extern void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs);
extern void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs);
extern void fatal_sigsegv(void) __attribute__ ((noreturn));
+void um_idle_sleep(void);
#endif