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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/x86/include/asm/cache.h
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'arch/x86/include/asm/cache.h')
-rw-r--r--arch/x86/include/asm/cache.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h
new file mode 100644
index 00000000..48f99f15
--- /dev/null
+++ b/arch/x86/include/asm/cache.h
@@ -0,0 +1,23 @@
+#ifndef _ASM_X86_CACHE_H
+#define _ASM_X86_CACHE_H
+
+#include <linux/linkage.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")))
+
+#define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT
+#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT)
+
+#ifdef CONFIG_X86_VSMP
+#ifdef CONFIG_SMP
+#define __cacheline_aligned_in_smp \
+ __attribute__((__aligned__(INTERNODE_CACHE_BYTES))) \
+ __page_aligned_data
+#endif
+#endif
+
+#endif /* _ASM_X86_CACHE_H */