diff options
Diffstat (limited to 'include/asm-sh/pgalloc.h')
| -rw-r--r-- | include/asm-sh/pgalloc.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/include/asm-sh/pgalloc.h b/include/asm-sh/pgalloc.h deleted file mode 100644 index f4f233f7a4f..00000000000 --- a/include/asm-sh/pgalloc.h +++ /dev/null @@ -1,88 +0,0 @@ -#ifndef __ASM_SH_PGALLOC_H -#define __ASM_SH_PGALLOC_H - -#include <linux/threads.h> -#include <linux/slab.h> -#include <linux/mm.h> - -#define pgd_quicklist ((unsigned long *)0) -#define pmd_quicklist ((unsigned long *)0) -#define pte_quicklist ((unsigned long *)0) -#define pgtable_cache_size 0L - -#define pmd_populate_kernel(mm, pmd, pte) \ - set_pmd(pmd, __pmd(_PAGE_TABLE + __pa(pte))) - -static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, - struct page *pte) -{ - set_pmd(pmd, __pmd(_PAGE_TABLE + page_to_phys(pte))); -} - -/* - * Allocate and free page tables. - */ -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t)); - pgd_t *pgd = (pgd_t *)kmalloc(pgd_size, GFP_KERNEL); - - if (pgd) - memset(pgd, 0, pgd_size); - - return pgd; -} - -static inline void pgd_free(pgd_t *pgd) -{ - kfree(pgd); -} - -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - pte_t *pte; - - pte = (pte_t *) __get_free_page(GFP_KERNEL | __GFP_REPEAT | __GFP_ZERO); - - return pte; -} - -static inline struct page *pte_alloc_one(struct mm_struct *mm, - unsigned long address) -{ - struct page *pte; - - pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0); - - return pte; -} - -static inline void pte_free_kernel(pte_t *pte) -{ - free_page((unsigned long)pte); -} - -static inline void pte_free(struct page *pte) -{ - __free_page(pte); -} - -#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte)) - -/* - * allocating and freeing a pmd is trivial: the 1-entry pmd is - * inside the pgd, so has no extra memory associated with it. - */ - -#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) -#define pmd_free(x) do { } while (0) -#define __pmd_free_tlb(tlb,x) do { } while (0) -#define pgd_populate(mm, pmd, pte) BUG() -#define check_pgt_cache() do { } while (0) - -#ifdef CONFIG_CPU_SH4 -#define PG_mapped PG_arch_1 -#endif - -#endif /* __ASM_SH_PGALLOC_H */ |
