Signed-off-by: Pravin B Shelar <pshe...@nicira.com>
---
datapath/linux/compat/include/linux/kernel.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/datapath/linux/compat/include/linux/kernel.h
b/datapath/linux/compat/include/linux/kernel.h
index 812f213..ff354ad 100644
--- a/datapath/linux/compat/include/linux/kernel.h
+++ b/datapath/linux/compat/include/linux/kernel.h
@@ -39,11 +39,13 @@
#define pr_warn pr_warning
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)
#ifndef BUILD_BUG_ON_NOT_POWER_OF_2
/* Force a compilation error if a constant expression is not a power of 2 */
#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
#endif
+#endif
#if defined(CONFIG_PREEMPT) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
#error "CONFIG_PREEMPT is broken before 2.6.21--see commit 4498121ca3,
\"[NET]: Handle disabled preemption in gfp_any()\""
--
1.7.10
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