bit_spinlock: add required includes

Signed-off-by: Nick Piggin <npiggin@kernel.dk>

bit_spinlock: add required includes
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
626d6074 · Nick Piggin · 4e35e607 · 626d6074
Commit 626d6074 authored Jan 07, 2011 by Nick Piggin
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include/linux/bit_spinlock.h include/linux/bit_spinlock.h +4 -0

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--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
 #ifndef __LINUX_BIT_SPINLOCK_H
 #define __LINUX_BIT_SPINLOCK_H

+#include <linux/kernel.h>
+#include <linux/preempt.h>
+#include <asm/atomic.h>
+
 /*
 *  bit-based spin_lock()
 *