X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ia64%2Fpgtable.h;h=085ef89dfb7b3b94bb2cbac616ed0e05f0a20781;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=590432c084076ca5b8f48727010773c92f9d2ab1;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git

diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index 590432c08..085ef89df 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -206,18 +206,18 @@ ia64_phys_addr_valid (unsigned long addr)
 #define RGN_SIZE	(1UL << 61)
 #define RGN_KERNEL	7
 
-#define VMALLOC_START		0xa000000200000000
+#define VMALLOC_START		0xa000000200000000UL
 #ifdef CONFIG_VIRTUAL_MEM_MAP
-# define VMALLOC_END_INIT	(0xa000000000000000 + (1UL << (4*PAGE_SHIFT - 9)))
+# define VMALLOC_END_INIT	(0xa000000000000000UL + (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)))
+# define VMALLOC_END		(0xa000000000000000UL + (1UL << (4*PAGE_SHIFT - 9)))
 #endif
 
 /* fs/proc/kcore.c */
-#define	kc_vaddr_to_offset(v) ((v) - 0xa000000000000000)
-#define	kc_offset_to_vaddr(o) ((o) + 0xa000000000000000)
+#define	kc_vaddr_to_offset(v) ((v) - 0xa000000000000000UL)
+#define	kc_offset_to_vaddr(o) ((o) + 0xa000000000000000UL)
 
 /*
  * Conversion functions: convert page frame number (pfn) and a protection value to a page
@@ -297,11 +297,7 @@ ia64_phys_addr_valid (unsigned long addr)
  * works bypasses the caches, but does allow for consecutive writes to
  * be combined into single (but larger) write transactions.
  */
-#ifdef CONFIG_MCKINLEY_A0_SPECIFIC
-# define pgprot_writecombine(prot)	prot
-#else
-# define pgprot_writecombine(prot)	__pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_WC)
-#endif
+#define pgprot_writecombine(prot)	__pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_WC)
 
 static inline unsigned long
 pgd_index (unsigned long address)
@@ -325,6 +321,11 @@ pgd_offset (struct mm_struct *mm, unsigned long address)
 #define pgd_offset_k(addr) \
 	(init_mm.pgd + (((addr) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)))
 
+/* Look up a pgd entry in the gate area.  On IA-64, the gate-area
+   resides in the kernel-mapped segment, hence we use pgd_offset_k()
+   here.  */
+#define pgd_offset_gate(mm, addr)	pgd_offset_k(addr)
+
 /* Find an entry in the second-level page table.. */
 #define pmd_offset(dir,addr) \
 	((pmd_t *) pgd_page(*(dir)) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)))
@@ -346,6 +347,8 @@ static inline int
 ptep_test_and_clear_young (pte_t *ptep)
 {
 #ifdef CONFIG_SMP
+	if (!pte_young(*ptep))
+		return 0;
 	return test_and_clear_bit(_PAGE_A_BIT, ptep);
 #else
 	pte_t pte = *ptep;
@@ -360,6 +363,8 @@ static inline int
 ptep_test_and_clear_dirty (pte_t *ptep)
 {
 #ifdef CONFIG_SMP
+	if (!pte_dirty(*ptep))
+		return 0;
 	return test_and_clear_bit(_PAGE_D_BIT, ptep);
 #else
 	pte_t pte = *ptep;
@@ -515,7 +520,7 @@ do {											\
 #  ifdef CONFIG_VIRTUAL_MEM_MAP
   /* arch mem_map init routine is needed due to holes in a virtual mem_map */
 #   define __HAVE_ARCH_MEMMAP_INIT
-    extern void memmap_init (struct page *start, unsigned long size, int nid, unsigned long zone,
+    extern void memmap_init (unsigned long size, int nid, unsigned long zone,
 			     unsigned long start_pfn);
 #  endif /* CONFIG_VIRTUAL_MEM_MAP */
 # endif /* !__ASSEMBLY__ */
@@ -552,6 +557,7 @@ do {											\
 #define __HAVE_ARCH_PTEP_SET_WRPROTECT
 #define __HAVE_ARCH_PTEP_MKDIRTY
 #define __HAVE_ARCH_PTE_SAME
+#define __HAVE_ARCH_PGD_OFFSET_GATE
 #include <asm-generic/pgtable.h>
 
 #endif /* _ASM_IA64_PGTABLE_H */