diff options
Diffstat (limited to 'include/asm-generic/pgtable.h')
-rw-r--r-- | include/asm-generic/pgtable.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index a3b28710d56c..1f4ec7b70270 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h | |||
@@ -140,17 +140,15 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres | |||
140 | #endif | 140 | #endif |
141 | 141 | ||
142 | /* | 142 | /* |
143 | * When walking page tables, get the address of the next boundary, or | 143 | * When walking page tables, get the address of the next boundary, |
144 | * the end address of the range if that comes earlier. Although end might | 144 | * or the end address of the range if that comes earlier. Although no |
145 | * wrap to 0 only in clear_page_range, __boundary may wrap to 0 throughout. | 145 | * vma end wraps to 0, rounded up __boundary may wrap to 0 throughout. |
146 | */ | 146 | */ |
147 | 147 | ||
148 | #ifndef pgd_addr_end | ||
149 | #define pgd_addr_end(addr, end) \ | 148 | #define pgd_addr_end(addr, end) \ |
150 | ({ unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK; \ | 149 | ({ unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK; \ |
151 | (__boundary - 1 < (end) - 1)? __boundary: (end); \ | 150 | (__boundary - 1 < (end) - 1)? __boundary: (end); \ |
152 | }) | 151 | }) |
153 | #endif | ||
154 | 152 | ||
155 | #ifndef pud_addr_end | 153 | #ifndef pud_addr_end |
156 | #define pud_addr_end(addr, end) \ | 154 | #define pud_addr_end(addr, end) \ |