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-rw-r--r--arch/um/include/chan_user.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/um/include/chan_user.h b/arch/um/include/chan_user.h
index 714b713e2e7..5a2263e05bb 100644
--- a/arch/um/include/chan_user.h
+++ b/arch/um/include/chan_user.h
@@ -42,7 +42,8 @@ extern void generic_free(void *data);
struct tty_struct;
extern void register_winch(int fd, struct tty_struct *tty);
-extern void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty);
+extern void register_winch_irq(int fd, int tty_fd, int pid,
+ struct tty_struct *tty, unsigned long stack);
#define __channel_help(fn, prefix) \
__uml_help(fn, prefix "[0-9]*=<channel description>\n" \