X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-parisc%2Fpage.h;h=27d50b85954109d123a8e9118a8799a4eadc5221;hb=e31a94ed371c70855eb30b77c490d6d85dd4da26;hp=57d6d82756dd678d54a7f261859730f8c998e3bb;hpb=23930fa1cebfea6f79881c588ccd1b0781e49e3f;p=linux-2.6

diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h
index 57d6d82756..27d50b8595 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -1,7 +1,7 @@
 #ifndef _PARISC_PAGE_H
 #define _PARISC_PAGE_H
 
-#ifdef __KERNEL__
+#include <linux/const.h>
 
 #if defined(CONFIG_PARISC_PAGE_SIZE_4KB)
 # define PAGE_SHIFT	12
@@ -12,7 +12,7 @@
 #else
 # error "unknown default kernel page size"
 #endif
-#define PAGE_SIZE	(1UL << PAGE_SHIFT)
+#define PAGE_SIZE	(_AC(1,UL) << PAGE_SHIFT)
 #define PAGE_MASK	(~(PAGE_SIZE-1))
 
 
@@ -26,24 +26,10 @@
 
 struct page;
 
-extern void purge_kernel_dcache_page(unsigned long);
-extern void copy_user_page_asm(void *to, void *from);
-extern void clear_user_page_asm(void *page, unsigned long vaddr);
-
-static inline void
-copy_user_page(void *vto, void *vfrom, unsigned long vaddr, struct page *pg)
-{
-	copy_user_page_asm(vto, vfrom);
-	flush_kernel_dcache_page_asm(vto);
-	/* XXX: ppc flushes icache too, should we? */
-}
-
-static inline void
-clear_user_page(void *page, unsigned long vaddr, struct page *pg)
-{
-	purge_kernel_dcache_page((unsigned long)page);
-	clear_user_page_asm(page, vaddr);
-}
+void copy_user_page_asm(void *to, void *from);
+void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
+			   struct page *pg);
+void clear_user_page(void *page, unsigned long vaddr, struct page *pg);
 
 /*
  * These are used to make use of C type-checking..
@@ -105,6 +91,7 @@ typedef unsigned long pgprot_t;
 
 #endif /* STRICT_MM_TYPECHECKS */
 
+typedef struct page *pgtable_t;
 
 typedef struct __physmem_range {
 	unsigned long start_pfn;
@@ -119,7 +106,7 @@ extern int npmem_ranges;
 /* WARNING: The definitions below must match exactly to sizeof(pte_t)
  * etc
  */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
 #define BITS_PER_PTE_ENTRY	3
 #define BITS_PER_PMD_ENTRY	2
 #define BITS_PER_PGD_ENTRY	2
@@ -141,7 +128,11 @@ extern int npmem_ranges;
 /* This governs the relationship between virtual and physical addresses.
  * If you alter it, make sure to take care of our various fixed mapping
  * segments in fixmap.h */
-#define __PAGE_OFFSET           (0x10000000)
+#ifdef CONFIG_64BIT
+#define __PAGE_OFFSET	(0x40000000)	/* 1GB */
+#else
+#define __PAGE_OFFSET	(0x10000000)	/* 256MB */
+#endif
 
 #define PAGE_OFFSET		((unsigned long)__PAGE_OFFSET)
 
@@ -183,6 +174,4 @@ extern int npmem_ranges;
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
-#endif /* __KERNEL__ */
-
 #endif /* _PARISC_PAGE_H */