patch-2.4.20 linux-2.4.20/include/asm-ia64/pgtable.h
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- Lines: 59
- Date:
Thu Nov 28 15:53:15 2002
- Orig file:
linux-2.4.19/include/asm-ia64/pgtable.h
- Orig date:
Fri Aug 2 17:39:45 2002
diff -urN linux-2.4.19/include/asm-ia64/pgtable.h linux-2.4.20/include/asm-ia64/pgtable.h
@@ -156,12 +156,6 @@
#define pte_ERROR(e) printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e))
-/*
- * Some definitions to translate between mem_map, PTEs, and page
- * addresses:
- */
-
-
/* Quick test to see if ADDR is a (potentially) valid physical address. */
static inline long
ia64_phys_addr_valid (unsigned long addr)
@@ -204,7 +198,13 @@
#define VMALLOC_START (0xa000000000000000 + 3*PAGE_SIZE)
#define VMALLOC_VMADDR(x) ((unsigned long)(x))
-#define VMALLOC_END (0xa000000000000000 + (1UL << (4*PAGE_SHIFT - 9)))
+#ifdef CONFIG_VIRTUAL_MEM_MAP
+# define VMALLOC_END_INIT (0xa000000000000000 + (1UL << (4*PAGE_SHIFT - 9)))
+# define VMALLOC_END vmalloc_end
+ extern unsigned long vmalloc_end;
+#else
+# define VMALLOC_END (0xa000000000000000 + (1UL << (4*PAGE_SHIFT - 9)))
+#endif
/*
* Conversion functions: convert a page and protection to a page entry,
@@ -448,6 +448,20 @@
*/
#define pgtable_cache_init() do { } while (0)
+#ifdef CONFIG_VIRTUAL_MEM_MAP
+
+/* arch mem_map init routines are needed due to holes in a virtual mem_map */
+#define HAVE_ARCH_MEMMAP_INIT
+
+typedef unsigned long memmap_init_callback_t(struct page *start,
+ struct page *end, int zone, unsigned long start_paddr, int highmem);
+
+extern unsigned long arch_memmap_init (memmap_init_callback_t *callback,
+ struct page *start, struct page *end, int zone,
+ unsigned long start_paddr, int highmem);
+
+#endif /* CONFIG_VIRTUAL_MEM_MAP */
+
# endif /* !__ASSEMBLY__ */
/*
@@ -468,9 +482,4 @@
#define KERNEL_TR_PAGE_SIZE (1 << KERNEL_TR_PAGE_SHIFT)
#define KERNEL_TR_PAGE_NUM ((KERNEL_START - PAGE_OFFSET) / KERNEL_TR_PAGE_SIZE)
-/*
- * No page table caches to initialise
- */
-#define pgtable_cache_init() do { } while (0)
-
#endif /* _ASM_IA64_PGTABLE_H */
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