diff options
Diffstat (limited to 'include/asm-mips/pgtable.h')
| -rw-r--r-- | include/asm-mips/pgtable.h | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h index 2192a39d5..c6bb9b2de 100644 --- a/include/asm-mips/pgtable.h +++ b/include/asm-mips/pgtable.h @@ -347,6 +347,9 @@ extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot) return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot)); } +/* to find an entry in a kernel page-table-directory */ +#define pgd_offset_k(address) pgd_offset(&init_mm, address) + /* to find an entry in a page-table-directory */ extern inline pgd_t *pgd_offset(struct mm_struct *mm, unsigned long address) { @@ -376,6 +379,8 @@ extern inline void pte_free_kernel(pte_t *pte) free_page((unsigned long) pte); } +extern const char bad_pmd_string[]; + extern inline pte_t *pte_alloc_kernel(pmd_t *pmd, unsigned long address) { address = (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1); @@ -392,7 +397,7 @@ extern inline pte_t *pte_alloc_kernel(pmd_t *pmd, unsigned long address) free_page((unsigned long) page); } if (pmd_bad(*pmd)) { - printk("Bad pmd in pte_alloc_kernel: %08lx\n", pmd_val(*pmd)); + printk(bad_pmd_string, pmd_val(*pmd)); pmd_set(pmd, (pte_t *) BAD_PAGETABLE); return NULL; } @@ -434,7 +439,7 @@ extern inline pte_t *pte_alloc(pmd_t *pmd, unsigned long address) free_page((unsigned long) page); } if (pmd_bad(*pmd)) { - printk("Bad pmd in pte_alloc: %08lx\n", pmd_val(*pmd)); + printk(bad_pmd_string, pmd_val(*pmd)); pmd_set(pmd, (pte_t *) BAD_PAGETABLE); return NULL; } @@ -758,21 +763,6 @@ extern inline void set_context(unsigned long val) : : "r" (val)); } -/* Kernel stack allocation/freeing. */ -extern inline unsigned long alloc_kernel_stack(void) -{ - unsigned long stack; - stack = __get_free_pages(GFP_KERNEL, 1, 0); - memset((void *)stack, 0, (size_t) KERNEL_STACK_SIZE); - - return stack; -} - -extern inline void free_kernel_stack(unsigned long stack) -{ - free_pages(stack, 1); -} - #endif /* !defined (__LANGUAGE_ASSEMBLY__) */ #endif /* __ASM_MIPS_PGTABLE_H */ |