Index: arm/include/param.h
===================================================================
--- arm/include/param.h	(revision 190941)
+++ arm/include/param.h	(working copy)
@@ -81,6 +81,10 @@
 #define	ALIGNBYTES	_ALIGNBYTES
 #define	ALIGN(p)	_ALIGN(p)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
+
 #define	PAGE_SHIFT	12
 #define	PAGE_SIZE	(1 << PAGE_SHIFT)	/* Page size */
 #define	PAGE_MASK	(PAGE_SIZE - 1)
Index: powerpc/include/param.h
===================================================================
--- powerpc/include/param.h	(revision 190941)
+++ powerpc/include/param.h	(working copy)
@@ -79,6 +79,10 @@
 #define	ALIGNBYTES	_ALIGNBYTES
 #define	ALIGN(p)	_ALIGN(p)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
+
 #define	PAGE_SHIFT	12
 #define	PAGE_SIZE	(1 << PAGE_SHIFT)	/* Page size */
 #define	PAGE_MASK	(PAGE_SIZE - 1)
Index: sparc64/include/param.h
===================================================================
--- sparc64/include/param.h	(revision 190941)
+++ sparc64/include/param.h	(working copy)
@@ -71,6 +71,10 @@
 #define ALIGNBYTES	_ALIGNBYTES
 #define ALIGN(p)	_ALIGN(p)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
+
 #define	PAGE_SHIFT_8K	13
 #define	PAGE_SIZE_8K	(1L<<PAGE_SHIFT_8K)
 #define	PAGE_MASK_8K	(PAGE_SIZE_8K-1)
Index: ia64/include/param.h
===================================================================
--- ia64/include/param.h	(revision 190941)
+++ ia64/include/param.h	(working copy)
@@ -99,6 +99,10 @@
 #define	ALIGN(p)		_ALIGN(p)
 #define ALIGNED_POINTER(p,t)	_ALIGNED_POINTER(p,t)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
+
 #ifndef LOG2_PAGE_SIZE
 #define	LOG2_PAGE_SIZE		13		/* 8K pages by default. */
 #endif
Index: mips/include/param.h
===================================================================
--- mips/include/param.h	(revision 190941)
+++ mips/include/param.h	(working copy)
@@ -89,6 +89,10 @@
 #define	ALIGNBYTES	_ALIGNBYTES
 #define	ALIGN(p)	_ALIGN(p)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
+
 #define	NBPG		4096		/* bytes/page */
 #define	PGOFSET		(NBPG-1)	/* byte offset into page */
 #define	PGSHIFT		12		/* LOG2(NBPG) */
Index: sun4v/include/param.h
===================================================================
--- sun4v/include/param.h	(revision 190941)
+++ sun4v/include/param.h	(working copy)
@@ -71,6 +71,10 @@
 #define ALIGNBYTES	_ALIGNBYTES
 #define ALIGN(p)	_ALIGN(p)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
+
 #define	PAGE_SHIFT_8K	13
 #define	PAGE_SIZE_8K	(1L<<PAGE_SHIFT_8K)
 #define	PAGE_MASK_8K	(PAGE_SIZE_8K-1)
Index: i386/include/param.h
===================================================================
--- i386/include/param.h	(revision 190941)
+++ i386/include/param.h	(working copy)
@@ -74,6 +74,10 @@
 #define ALIGNBYTES	_ALIGNBYTES
 #define ALIGN(p)	_ALIGN(p)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
+
 #define PAGE_SHIFT	12		/* LOG2(PAGE_SIZE) */
 #define PAGE_SIZE	(1<<PAGE_SHIFT)	/* bytes/page */
 #define PAGE_MASK	(PAGE_SIZE-1)
Index: amd64/include/param.h
===================================================================
--- amd64/include/param.h	(revision 190941)
+++ amd64/include/param.h	(working copy)
@@ -89,6 +89,9 @@
 #define	ALIGN(p)		_ALIGN(p)
 #define	ALIGNED_POINTER(p,t)	_ALIGNED_POINTER(p,t)
 
+#ifndef CACHE_LINE_SIZE
+#define	CACHE_LINE_SIZE	64
+#endif
 
 /* Size of the level 1 page table units */
 #define NPTEPG		(PAGE_SIZE/(sizeof (pt_entry_t)))