calibrate: update header inclusion
While cleaning up some headers, I got a build error on this file:
init/calibrate.c:20:9: error: call to undeclared function 'kstrtoul'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
Update header inclusions to follow IWYU (Include What You Use) principle.
Link: https://lkml.kernel.org/r/20251124230607.1445421-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/init/calibrate.c b/init/calibrate.c
index 09c2e61..63be4c6 100644
--- a/init/calibrate.c
+++ b/init/calibrate.c
@@ -5,12 +5,15 @@
* Copyright (C) 1991, 1992 Linus Torvalds
*/
-#include <linux/jiffies.h>
#include <linux/delay.h>
#include <linux/init.h>
-#include <linux/timex.h>
-#include <linux/smp.h>
+#include <linux/jiffies.h>
+#include <linux/kstrtox.h>
#include <linux/percpu.h>
+#include <linux/printk.h>
+#include <linux/smp.h>
+#include <linux/stddef.h>
+#include <linux/timex.h>
unsigned long lpj_fine;
unsigned long preset_lpj;
