UML: add kernel.h include to signal.c
Commit 814f75ec5a94a48 ("UML: Drop private round_down definition") dropped
the private round_down() macro and makes signal.c use the one from kernel.h
instead.
kernel.h is implicitly included through uaccess.h -> sched.h -> kernel.h
but we'd rather make this dependency explicit.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c
index 07797d1..b6b65c7 100644
--- a/arch/um/sys-x86_64/signal.c
+++ b/arch/um/sys-x86_64/signal.c
@@ -6,6 +6,7 @@
#include <linux/personality.h>
#include <linux/ptrace.h>
+#include <linux/kernel.h>
#include <asm/unistd.h>
#include <asm/uaccess.h>
#include <asm/ucontext.h>