#ifdef __KERNEL__ #ifndef _PPC_PGALLOC_H #define _PPC_PGALLOC_H #include <linux/threads.h> extern void __bad_pte(pmd_t *pmd); extern pgd_t *pgd_alloc(struct mm_struct *mm); extern void pgd_free(pgd_t *pgd); /* * We don't have any real pmd's, and this code never triggers because * the pgd will always be present.. */ #define pmd_alloc_one(mm,address) ({ 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() #ifndef CONFIG_BOOKE #define pmd_populate_kernel(mm, pmd, pte) \ (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT) #define pmd_populate(mm, pmd, pte) \ (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT) #else #define pmd_populate_kernel(mm, pmd, pte) \ (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT) #define pmd_populate(mm, pmd, pte) \ (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT) #endif extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr); extern struct page *pte_alloc_one(struct mm_struct *mm, unsigned long addr); extern void pte_free_kernel(pte_t *pte); extern void pte_free(struct page *pte); #define __pte_free_tlb(tlb, pte) pte_free((pte)) #define check_pgt_cache() do { } while (0) #endif /* _PPC_PGALLOC_H */ #endif /* __KERNEL__ */