Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/paulus/ppc64-2.6

[linux-2.6-omap-h63xx.git] / include / asm-ppc64 / page.h

diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h
index 86219574c1a53cdf5f940a64bade4e4ea3073255..a5893a305a09bdb27a2b12b15980507b25a14d3e 100644 (file)
--- a/include/asm-ppc64/page.h
+++ b/include/asm-ppc64/page.h
@@ -23,7 +23,6 @@
 #define PAGE_SHIFT     12
 #define PAGE_SIZE      (ASM_CONST(1) << PAGE_SHIFT)
 #define PAGE_MASK      (~(PAGE_SIZE-1))
-#define PAGE_OFFSET_MASK (PAGE_SIZE-1)
 
 #define SID_SHIFT       28
 #define SID_MASK        0xfffffffffUL
@@ -85,9 +84,6 @@
 /* align addr on a size boundary - adjust address up if needed */
 #define _ALIGN(addr,size)     _ALIGN_UP(addr,size)
 
-/* to align the pointer to the (next) double word boundary */
-#define DOUBLEWORD_ALIGN(addr) _ALIGN(addr,sizeof(unsigned long))
-
 /* to align the pointer to the (next) page boundary */
 #define PAGE_ALIGN(addr)       _ALIGN(addr, PAGE_SIZE)
 
@@ -100,7 +96,6 @@
 #define REGION_SIZE   4UL
 #define REGION_SHIFT  60UL
 #define REGION_MASK   (((1UL<<REGION_SIZE)-1UL)<<REGION_SHIFT)
-#define REGION_STRIDE (1UL << REGION_SHIFT)
 
 static __inline__ void clear_page(void *addr)
 {
@@ -207,15 +202,13 @@ extern u64 ppc64_pft_size;                /* Log 2 of page table size */
 #define PAGE_OFFSET     ASM_CONST(0xC000000000000000)
 #define KERNELBASE      PAGE_OFFSET
 #define VMALLOCBASE     ASM_CONST(0xD000000000000000)
-#define IOREGIONBASE    ASM_CONST(0xE000000000000000)
 
-#define IO_REGION_ID       (IOREGIONBASE>>REGION_SHIFT)
-#define VMALLOC_REGION_ID  (VMALLOCBASE>>REGION_SHIFT)
-#define KERNEL_REGION_ID   (KERNELBASE>>REGION_SHIFT)
+#define VMALLOC_REGION_ID  (VMALLOCBASE >> REGION_SHIFT)
+#define KERNEL_REGION_ID   (KERNELBASE >> REGION_SHIFT)
 #define USER_REGION_ID     (0UL)
-#define REGION_ID(X)      (((unsigned long)(X))>>REGION_SHIFT)
+#define REGION_ID(ea)     (((unsigned long)(ea)) >> REGION_SHIFT)
 
-#define __bpn_to_ba(x) ((((unsigned long)(x))<<PAGE_SHIFT) + KERNELBASE)
+#define __bpn_to_ba(x) ((((unsigned long)(x)) << PAGE_SHIFT) + KERNELBASE)
 #define __ba_to_bpn(x) ((((unsigned long)(x)) & ~REGION_MASK) >> PAGE_SHIFT)
 
 #define __va(x) ((void *)((unsigned long)(x) + KERNELBASE))
@@ -224,7 +217,8 @@ extern u64 ppc64_pft_size;          /* Log 2 of page table size */
 #define page_to_pfn(page)      discontigmem_page_to_pfn(page)
 #define pfn_to_page(pfn)       discontigmem_pfn_to_page(pfn)
 #define pfn_valid(pfn)         discontigmem_pfn_valid(pfn)
-#else
+#endif
+#ifdef CONFIG_FLATMEM
 #define pfn_to_page(pfn)       (mem_map + (pfn))
 #define page_to_pfn(page)      ((unsigned long)((page) - mem_map))
 #define pfn_valid(pfn)         ((pfn) < max_mapnr)