1#ifndef _ASM_POWERPC_PGALLOC_32_H 2#define _ASM_POWERPC_PGALLOC_32_H 3 4#include <linux/threads.h> 5 6extern void __bad_pte(pmd_t *pmd); 7 8extern pgd_t *pgd_alloc(struct mm_struct *mm); 9extern void pgd_free(pgd_t *pgd); 10 11/* 12 * We don't have any real pmd's, and this code never triggers because 13 * the pgd will always be present.. 14 */ 15/* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */ 16#define pmd_free(x) do { } while (0) 17#define __pmd_free_tlb(tlb,x) do { } while (0) 18/* #define pgd_populate(mm, pmd, pte) BUG() */ 19 20#ifndef CONFIG_BOOKE 21#define pmd_populate_kernel(mm, pmd, pte) \ 22 (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT) 23#define pmd_populate(mm, pmd, pte) \ 24 (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT) 25#else 26#define pmd_populate_kernel(mm, pmd, pte) \ 27 (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT) 28#define pmd_populate(mm, pmd, pte) \ 29 (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT) 30#endif 31 32extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); 33extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr); 34extern void pte_free_kernel(pte_t *pte); 35extern void pte_free(struct page *pte); 36 37#define __pte_free_tlb(tlb, pte) pte_free((pte)) 38 39#define check_pgt_cache() do { } while (0) 40 41#endif /* _ASM_POWERPC_PGALLOC_32_H */ 42