x86: dma-ops on highmem fix
[sfrench/cifs-2.6.git] / include / asm-x86 / cache.h
index c36d190ac9d8f0fdeeff3405c7a019a272d26e64..1e0bac86f38f8ee4f950380e4e1845a49fec6b30 100644 (file)
@@ -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