x86: unify include/asm/cache_32/64.h

Same file, except for whitespace, comment formatting and the extra
defines in _64, which are conditional on VSMP anyway.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

include/asm-x86/cache.h

@@ -1,5 +1,20 @@
-#ifdef CONFIG_X86_32
-# include "cache_32.h"
-#else
-# include "cache_64.h"
+#ifndef _ARCH_X86_CACHE_H
+#define _ARCH_X86_CACHE_H
+
+/* L1 cache line size */
+#define L1_CACHE_SHIFT	(CONFIG_X86_L1_CACHE_SHIFT)
+#define L1_CACHE_BYTES	(1 << L1_CACHE_SHIFT)
+
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+
+#ifdef CONFIG_X86_VSMP
+/* vSMP Internode cacheline shift */
+#define INTERNODE_CACHE_SHIFT (12)
+#ifdef CONFIG_SMP
+#define __cacheline_aligned_in_smp					\
+	__attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))	\
+	__attribute__((__section__(".data.page_aligned")))
+#endif
+#endif
+
 #endif