From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 16 Mar 2007 22:15:57 +0000 (-0800)
Subject: [PATCH] fix MTIME_SEC_MAX on 32-bit
X-Git-Tag: firefly_0821_release~30607
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5379058b718ac6354ba99cc74d10c28d632dc28a;p=firefly-linux-kernel-4.4.55.git

[PATCH] fix MTIME_SEC_MAX on 32-bit

The maximum seconds value we can handle on 32bit is LONG_MAX.

Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index c68c7ac6b232..248305bb9a18 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -57,7 +57,11 @@ typedef union {
 } ktime_t;
 
 #define KTIME_MAX			((s64)~((u64)1 << 63))
-#define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
+#if (BITS_PER_LONG == 64)
+# define KTIME_SEC_MAX			(KTIME_MAX / NSEC_PER_SEC)
+#else
+# define KTIME_SEC_MAX			LONG_MAX
+#endif
 
 /*
  * ktime_t definitions when using the 64-bit scalar representation: