/* SPDX-License-Identifier: GPL-2.0 */#ifndef __ASM_SH_PGALLOC_H#define __ASM_SH_PGALLOC_H #include <linux/quicklist.h>#include <asm/page.h> #define QUICK_PT 0	/* Other page table pages that are zero on free */ extern pgd_t *pgd_alloc(struct mm_struct *);extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); #if PAGETABLE_LEVELS > 2extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);extern void pmd_free(struct mm_struct *mm, pmd_t *pmd);#endif 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) /* * Allocate and free page tables. */static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm){	return quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);} static inline pgtable_t pte_alloc_one(struct mm_struct *mm){	struct page *page;	void *pg; 	pg = quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);	if (!pg)		return NULL;	page = virt_to_page(pg);	if (!pgtable_page_ctor(page)) {		quicklist_free(QUICK_PT, NULL, pg);		return NULL;	}	return page;} static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte){	quicklist_free(QUICK_PT, NULL, pte);} static inline void pte_free(struct mm_struct *mm, pgtable_t pte){	pgtable_page_dtor(pte);	quicklist_free_page(QUICK_PT, NULL, pte);} #define __pte_free_tlb(tlb,pte,addr)			\do {							\	pgtable_page_dtor(pte);				\	tlb_remove_page((tlb), (pte));			\} while (0) #if CONFIG_PGTABLE_LEVELS > 2#define __pmd_free_tlb(tlb, pmdp, addr)			\do {							\	struct page *page = virt_to_page(pmdp);		\	pgtable_pmd_page_dtor(page);			\	tlb_remove_page((tlb), page);			\} while (0);#endif static inline void check_pgt_cache(void){	quicklist_trim(QUICK_PT, NULL, 25, 16);} #endif /* __ASM_SH_PGALLOC_H */