#ifndef _CRIS_PGALLOC_H#define _CRIS_PGALLOC_H #include <linux/threads.h>#include <linux/mm.h> #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)#define pmd_populate(mm, pmd, pte) pmd_set(pmd, page_address(pte))#define pmd_pgtable(pmd) pmd_page(pmd) /* * Allocate and free page tables. */ static inline pgd_t *pgd_alloc (struct mm_struct *mm){	return (pgd_t *)get_zeroed_page(GFP_KERNEL);} static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd){	free_page((unsigned long)pgd);} static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address){  	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO); 	return pte;} static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address){	struct page *pte;	pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);	if (!pte)		return NULL;	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_page((unsigned long)pte);} static inline void pte_free(struct mm_struct *mm, pgtable_t pte){	pgtable_page_dtor(pte);	__free_page(pte);} #define __pte_free_tlb(tlb,pte,address)			\do {							\	pgtable_page_dtor(pte);				\	tlb_remove_page((tlb), pte);			\} while (0) #define check_pgt_cache()          do { } while (0) #endif