Index: kernel/arch/amd64/include/mm/page.h
===================================================================
--- kernel/arch/amd64/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/amd64/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -52,6 +52,4 @@
 #define PAGE_WIDTH	FRAME_WIDTH
 #define PAGE_SIZE	FRAME_SIZE
-
-#define PAGE_COLOR_BITS	0			/* dummy */
 
 #ifdef KERNEL
Index: kernel/arch/arm32/include/mm/page.h
===================================================================
--- kernel/arch/arm32/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/arm32/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -43,6 +43,4 @@
 #define PAGE_WIDTH	FRAME_WIDTH
 #define PAGE_SIZE	FRAME_SIZE
-
-#define PAGE_COLOR_BITS	0			/* dummy */
 
 #ifndef __ASM__
Index: kernel/arch/ia32/include/mm/page.h
===================================================================
--- kernel/arch/ia32/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/ia32/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -40,6 +40,4 @@
 #define PAGE_WIDTH	FRAME_WIDTH
 #define PAGE_SIZE	FRAME_SIZE
-
-#define PAGE_COLOR_BITS	0			/* dummy */
 
 #ifdef KERNEL
Index: kernel/arch/ia32xen/include/mm/page.h
===================================================================
--- kernel/arch/ia32xen/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/ia32xen/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -41,6 +41,4 @@
 #define PAGE_SIZE	FRAME_SIZE
 
-#define PAGE_COLOR_BITS	0			/* dummy */
-
 #ifdef KERNEL
 
Index: kernel/arch/ia64/include/mm/page.h
===================================================================
--- kernel/arch/ia64/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/ia64/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -41,6 +41,4 @@
 #define PAGE_SIZE	FRAME_SIZE
 #define PAGE_WIDTH	FRAME_WIDTH
-
-#define PAGE_COLOR_BITS	0			/* dummy */
 
 #ifdef KERNEL
Index: kernel/arch/mips32/include/mm/page.h
===================================================================
--- kernel/arch/mips32/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/mips32/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -40,6 +40,4 @@
 #define PAGE_WIDTH	FRAME_WIDTH
 #define PAGE_SIZE	FRAME_SIZE
-
-#define PAGE_COLOR_BITS	0			/* dummy */
 
 #ifndef __ASM__
Index: kernel/arch/ppc32/include/mm/page.h
===================================================================
--- kernel/arch/ppc32/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/ppc32/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -40,6 +40,4 @@
 #define PAGE_WIDTH	FRAME_WIDTH
 #define PAGE_SIZE	FRAME_SIZE
-
-#define PAGE_COLOR_BITS	0			/* dummy */
 
 #ifdef KERNEL
Index: kernel/arch/ppc64/include/mm/page.h
===================================================================
--- kernel/arch/ppc64/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/ppc64/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -40,6 +40,4 @@
 #define PAGE_WIDTH	FRAME_WIDTH
 #define PAGE_SIZE	FRAME_SIZE
-
-#define PAGE_COLOR_BITS	0			/* dummy */
 
 #ifdef KERNEL
Index: kernel/arch/sparc64/include/mm/page.h
===================================================================
--- kernel/arch/sparc64/include/mm/page.h	(revision c32a6f3758119c901cf9433296754930e7398907)
+++ kernel/arch/sparc64/include/mm/page.h	(revision 46d8eb9b258c351fc7a0ec7a45162776b8adc3a2)
@@ -54,9 +54,4 @@
 #define MMU_PAGES_PER_PAGE	(1 << (PAGE_WIDTH - MMU_PAGE_WIDTH))
 
-/*
- * With 16K pages, there is only one page color.
- */
-#define PAGE_COLOR_BITS	0	/**< 14 - 14; 2^14 == 16K == alias boundary. */
-
 #ifdef KERNEL