#ifndef _ASM_SCORE_PGALLOC_H#define _ASM_SCORE_PGALLOC_H #include <linux/mm.h>#include <linux/highmem.h>static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,	pte_t *pte){	set_pmd(pmd, __pmd((unsigned long)pte));} static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,	pgtable_t pte){	set_pmd(pmd, __pmd((unsigned long)page_address(pte)));} #define pmd_pgtable(pmd)	pmd_page(pmd) static inline pgd_t *pgd_alloc(struct mm_struct *mm){	pgd_t *ret, *init; 	ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);	if (ret) {		init = pgd_offset(&init_mm, 0UL);		pgd_init((unsigned long)ret);		memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD,		(PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));	} 	return ret;} static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd){	free_pages((unsigned long)pgd, PGD_ORDER);} static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,	unsigned long address){	pte_t *pte; 	pte = (pte_t *) __get_free_pages(GFP_KERNEL|__GFP_ZERO, PTE_ORDER); 	return pte;} static inline struct page *pte_alloc_one(struct mm_struct *mm,	unsigned long address){	struct page *pte; 	pte = alloc_pages(GFP_KERNEL, PTE_ORDER);	if (!pte)		return NULL;	clear_highpage(pte);	if (!pgtable_page_ctor(pte)) {		__free_page(pte);		return NULL;	}	return pte;} static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte){	free_pages((unsigned long)pte, PTE_ORDER);} static inline void pte_free(struct mm_struct *mm, pgtable_t pte){	pgtable_page_dtor(pte);	__free_pages(pte, PTE_ORDER);} #define __pte_free_tlb(tlb, pte, buf)			\do {							\	pgtable_page_dtor(pte);				\	tlb_remove_page((tlb), pte);			\} while (0) #define check_pgt_cache()		do {} while (0) #endif /* _ASM_SCORE_PGALLOC_H */