This was added in:
commit 89a0714106aac7309c7dfa0f004b39e1e89d2942
Author: Alex Elder <[email protected]>
Date: Thu Jan 23 15:54:00 2014 -0800
kernel.h: define u8, s8, u32, etc. limits
Signed-off-by: Hauke Mehrtens <[email protected]>
---
backport/backport-include/linux/kernel.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/backport/backport-include/linux/kernel.h
b/backport/backport-include/linux/kernel.h
index e695842..933686f 100644
--- a/backport/backport-include/linux/kernel.h
+++ b/backport/backport-include/linux/kernel.h
@@ -45,6 +45,10 @@
#define SHRT_MIN ((s16)(-SHRT_MAX - 1))
#endif
+#ifndef U32_MAX
+#define U32_MAX ((u32)~0U)
+#endif
+
#ifndef __round_mask
#define __round_mask(x, y) ((__typeof__(x))((y)-1))
#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
--
1.9.1
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