linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / asm-sparc64 / page.h

diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h
index c3dc444..5426bb2 100644 (file)
--- a/include/asm-sparc64/page.h
+++ b/include/asm-sparc64/page.h
@@ -6,10 +6,28 @@
 #include <linux/config.h>
 #include <asm/const.h>
 
+#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
 #define PAGE_SHIFT   13
+#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
+#define PAGE_SHIFT   16
+#elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB)
+#define PAGE_SHIFT   19
+#elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB)
+#define PAGE_SHIFT   22
+#else
+#error No page size specified in kernel configuration
+#endif
+
 #define PAGE_SIZE    (_AC(1,UL) << PAGE_SHIFT)
 #define PAGE_MASK    (~(PAGE_SIZE-1))
 
+/* Flushing for D-cache alias handling is only needed if
+ * the page size is smaller than 16K.
+ */
+#if PAGE_SHIFT < 14
+#define DCACHE_ALIASING_POSSIBLE
+#endif
+
 #ifdef __KERNEL__
 
 #ifndef __ASSEMBLY__
@@ -84,6 +102,8 @@ typedef unsigned long pgprot_t;
 #define HPAGE_SIZE             (_AC(1,UL) << HPAGE_SHIFT)
 #define HPAGE_MASK             (~(HPAGE_SIZE - 1UL))
 #define HUGETLB_PAGE_ORDER     (HPAGE_SHIFT - PAGE_SHIFT)
+#define ARCH_HAS_SETCLEAR_HUGE_PTE
+#define ARCH_HAS_HUGETLB_PREFAULT_HOOK
 #endif
 
 #define TASK_UNMAPPED_BASE     (test_thread_flag(TIF_32BIT) ? \
@@ -120,37 +140,6 @@ extern unsigned long page_to_pfn(struct page *);
 #define virt_to_phys __pa
 #define phys_to_virt __va
 
-/* The following structure is used to hold the physical
- * memory configuration of the machine.  This is filled in
- * probe_memory() and is later used by mem_init() to set up
- * mem_map[].  We statically allocate SPARC_PHYS_BANKS of
- * these structs, this is arbitrary.  The entry after the
- * last valid one has num_bytes==0.
- */
-
-struct sparc_phys_banks {
-       unsigned long base_addr;
-       unsigned long num_bytes;
-};
-
-#define SPARC_PHYS_BANKS 32
-
-extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS];
-
-/* Pure 2^n version of get_order */
-static __inline__ int get_order(unsigned long size)
-{
-       int order;
-
-       size = (size-1) >> (PAGE_SHIFT-1);
-       order = -1;
-       do {
-               size >>= 1;
-               order++;
-       } while (size);
-       return order;
-}
-
 #endif /* !(__ASSEMBLY__) */
 
 #define VM_DATA_DEFAULT_FLAGS  (VM_READ | VM_WRITE | VM_EXEC | \
@@ -158,4 +147,6 @@ static __inline__ int get_order(unsigned long size)
 
 #endif /* !(__KERNEL__) */
 
+#include <asm-generic/page.h>
+
 #endif /* !(_SPARC64_PAGE_H) */