[PATCH] make 1-bit bitfields unsigned

[linux-2.6] / include / asm-sh / page.h

diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index 888d6fe0030e053a24865d06884e2e067bffa2b8..380fd62dd05ade8ac5806711c985ee96f94adf93 100644 (file)
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -13,17 +13,36 @@
    [ P4 control   ]            0xE0000000
  */
 
-
 /* PAGE_SHIFT determines the page size */
-#define PAGE_SHIFT     12
+#if defined(CONFIG_PAGE_SIZE_4KB)
+# define PAGE_SHIFT    12
+#elif defined(CONFIG_PAGE_SIZE_8KB)
+# define PAGE_SHIFT    13
+#elif defined(CONFIG_PAGE_SIZE_64KB)
+# define PAGE_SHIFT    16
+#else
+# error "Bogus kernel page size?"
+#endif
+
+#ifdef __ASSEMBLY__
 #define PAGE_SIZE      (1 << PAGE_SHIFT)
+#else
+#define PAGE_SIZE      (1UL << PAGE_SHIFT)
+#endif
+
 #define PAGE_MASK      (~(PAGE_SIZE-1))
 #define PTE_MASK       PAGE_MASK
 
 #if defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
 #define HPAGE_SHIFT    16
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_256K)
+#define HPAGE_SHIFT    18
 #elif defined(CONFIG_HUGETLB_PAGE_SIZE_1MB)
 #define HPAGE_SHIFT    20
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
+#define HPAGE_SHIFT    22
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64MB)
+#define HPAGE_SHIFT    26
 #endif
 
 #ifdef CONFIG_HUGETLB_PAGE
@@ -38,6 +57,8 @@
 extern void (*clear_page)(void *to);
 extern void (*copy_page)(void *to, void *from);
 
+extern unsigned long shm_align_mask;
+
 #ifdef CONFIG_MMU
 extern void clear_page_slow(void *to);
 extern void copy_page_slow(void *to, void *from);
@@ -61,15 +82,25 @@ extern void __copy_user_page(void *to, void *from, void *orig_to);
 /*
  * These are used to make use of C type-checking..
  */
-typedef struct { unsigned long pte; } pte_t;
-typedef struct { unsigned long pgd; } pgd_t;
+#ifdef CONFIG_X2TLB
+typedef struct { unsigned long pte_low, pte_high; } pte_t;
+typedef struct { unsigned long long pgprot; } pgprot_t;
+#define pte_val(x) \
+       ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
+#define __pte(x) \
+       ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
+#else
+typedef struct { unsigned long pte_low; } pte_t;
 typedef struct { unsigned long pgprot; } pgprot_t;
+#define pte_val(x)     ((x).pte_low)
+#define __pte(x) ((pte_t) { (x) } )
+#endif
+
+typedef struct { unsigned long pgd; } pgd_t;
 
-#define pte_val(x)     ((x).pte)
 #define pgd_val(x)     ((x).pgd)
 #define pgprot_val(x)  ((x).pgprot)
 
-#define __pte(x) ((pte_t) { (x) } )
 #define __pgd(x) ((pgd_t) { (x) } )
 #define __pgprot(x)    ((pgprot_t) { (x) } )
 
@@ -111,5 +142,10 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
+/* vDSO support */
+#ifdef CONFIG_VSYSCALL
+#define __HAVE_ARCH_GATE_AREA
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_PAGE_H */