Pull battery into release branch

[linux-2.6-omap-h63xx.git] / include / asm-mips / pgtable-64.h

diff --git a/include/asm-mips/pgtable-64.h b/include/asm-mips/pgtable-64.h
index 7e7320300aa3884440286066482876eb5db8f5ea..943515f0ef8709c113f8a063ad17fd741820bc4c 100644 (file)
--- a/include/asm-mips/pgtable-64.h
+++ b/include/asm-mips/pgtable-64.h
@@ -14,6 +14,7 @@
 #include <asm/addrspace.h>
 #include <asm/page.h>
 #include <asm/cachectl.h>
+#include <asm/fixmap.h>
 
 #include <asm-generic/pgtable-nopud.h>
 
@@ -103,6 +104,13 @@
 #define VMALLOC_START          MAP_BASE
 #define VMALLOC_END    \
        (VMALLOC_START + PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE)
+#if defined(CONFIG_MODULES) && defined(KBUILD_64BIT_SYM32) && \
+       VMALLOC_START != CKSSEG
+/* Load modules into 32bit-compatible segment. */
+#define MODULE_START   CKSSEG
+#define MODULE_END     (FIXADDR_START-2*PAGE_SIZE)
+extern pgd_t module_pg_dir[PTRS_PER_PGD];
+#endif
 
 #define pte_ERROR(e) \
        printk("%s:%d: bad pte %016lx.\n", __FILE__, __LINE__, pte_val(e))
@@ -174,19 +182,24 @@ static inline void pud_clear(pud_t *pudp)
 #define __pmd_offset(address)  pmd_index(address)
 
 /* to find an entry in a kernel page-table-directory */
+#ifdef MODULE_START
+#define pgd_offset_k(address) \
+       ((address) >= MODULE_START ? module_pg_dir : pgd_offset(&init_mm, 0UL))
+#else
 #define pgd_offset_k(address) pgd_offset(&init_mm, 0UL)
+#endif
 
 #define pgd_index(address)     (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
 #define pmd_index(address)     (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
 
 /* to find an entry in a page-table-directory */
-#define pgd_offset(mm,addr)    ((mm)->pgd + pgd_index(addr))
+#define pgd_offset(mm, addr)   ((mm)->pgd + pgd_index(addr))
 
 static inline unsigned long pud_page_vaddr(pud_t pud)
 {
        return pud_val(pud);
 }
-#define pud_phys(pud)          (pud_val(pud) - PAGE_OFFSET)
+#define pud_phys(pud)          virt_to_phys((void *)pud_val(pud))
 #define pud_page(pud)          (pfn_to_page(pud_phys(pud) >> PAGE_SHIFT))
 
 /* Find an entry in the second-level page table.. */
@@ -199,9 +212,9 @@ static inline pmd_t *pmd_offset(pud_t * pud, unsigned long address)
 #define __pte_offset(address)                                          \
        (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 #define pte_offset(dir, address)                                       \
-       ((pte_t *) (pmd_page_vaddr(*dir)) + __pte_offset(address))
+       ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
 #define pte_offset_kernel(dir, address)                                        \
-       ((pte_t *) pmd_page_vaddr(*(dir)) +  __pte_offset(address))
+       ((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
 #define pte_offset_map(dir, address)                                   \
        ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
 #define pte_offset_map_nested(dir, address)                            \
@@ -224,7 +237,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
 
 #define __swp_type(x)          (((x).val >> 32) & 0xff)
 #define __swp_offset(x)                ((x).val >> 40)
-#define __swp_entry(type,offset) ((swp_entry_t) { pte_val(mk_swap_pte((type),(offset))) })
+#define __swp_entry(type, offset) ((swp_entry_t) { pte_val(mk_swap_pte((type), (offset))) })
 #define __pte_to_swp_entry(pte)        ((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)  ((pte_t) { (x).val })