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diff --git a/ndk/android-ndk-r4/linux/platforms/android-5/arch-arm/usr/include/asm/hardirq.h b/ndk/android-ndk-r4/linux/platforms/android-5/arch-arm/usr/include/asm/hardirq.h
new file mode 100644
index 0000000..54207e3
--- /dev/null
+++ b/ndk/android-ndk-r4/linux/platforms/android-5/arch-arm/usr/include/asm/hardirq.h
@@ -0,0 +1,38 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_HARDIRQ_H
+#define __ASM_HARDIRQ_H
+
+#include <linux/cache.h>
+#include <linux/threads.h>
+#include <asm/irq.h>
+
+typedef struct {
+ unsigned int __softirq_pending;
+ unsigned int local_timer_irqs;
+} ____cacheline_aligned irq_cpustat_t;
+
+#include <linux/irq_cpustat.h>  
+
+#if NR_IRQS > 256
+#define HARDIRQ_BITS 9
+#else
+#define HARDIRQ_BITS 8
+#endif
+
+#if 1 << HARDIRQ_BITS < NR_IRQS
+#error HARDIRQ_BITS is too low!
+#endif
+
+#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
+
+#endif