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authorAnton Altaparmakov <aia21@cantab.net>2006-01-19 19:39:33 +0300
committerAnton Altaparmakov <aia21@cantab.net>2006-01-19 19:39:33 +0300
commit944d79559d154c12becde0dab327016cf438f46c (patch)
tree50c101806f4d3b6585222dda060559eb4f3e005a /include/linux/cache.h
parentd087e4bdd24ebe3ae3d0b265b6573ec901af4b4b (diff)
parent0f36b018b2e314d45af86449f1a97facb1fbe300 (diff)
downloadlinux-944d79559d154c12becde0dab327016cf438f46c.tar.xz
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'include/linux/cache.h')
-rw-r--r--include/linux/cache.h19
1 files changed, 14 insertions, 5 deletions
diff --git a/include/linux/cache.h b/include/linux/cache.h
index 0b7ecf3af78a..d22e632f41fb 100644
--- a/include/linux/cache.h
+++ b/include/linux/cache.h
@@ -13,7 +13,7 @@
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#endif
-#if defined(CONFIG_X86) || defined(CONFIG_SPARC64) || defined(CONFIG_IA64)
+#if defined(CONFIG_X86) || defined(CONFIG_SPARC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC)
#define __read_mostly __attribute__((__section__(".data.read_mostly")))
#else
#define __read_mostly
@@ -45,12 +45,21 @@
#endif /* CONFIG_SMP */
#endif
-#if !defined(____cacheline_maxaligned_in_smp)
+/*
+ * The maximum alignment needed for some critical structures
+ * These could be inter-node cacheline sizes/L3 cacheline
+ * size etc. Define this in asm/cache.h for your arch
+ */
+#ifndef INTERNODE_CACHE_SHIFT
+#define INTERNODE_CACHE_SHIFT L1_CACHE_SHIFT
+#endif
+
+#if !defined(____cacheline_internodealigned_in_smp)
#if defined(CONFIG_SMP)
-#define ____cacheline_maxaligned_in_smp \
- __attribute__((__aligned__(1 << (L1_CACHE_SHIFT_MAX))))
+#define ____cacheline_internodealigned_in_smp \
+ __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT))))
#else
-#define ____cacheline_maxaligned_in_smp
+#define ____cacheline_internodealigned_in_smp
#endif
#endif