/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_CSKY_PGALLOC_H#define __ASM_CSKY_PGALLOC_H #include <linux/highmem.h>#include <linux/mm.h>#include <linux/sched.h> #define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL#include <asm-generic/pgalloc.h> static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,					pte_t *pte){	set_pmd(pmd, __pmd(__pa(pte)));} static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,					pgtable_t pte){	set_pmd(pmd, __pmd(__pa(page_address(pte))));} extern void pgd_init(unsigned long *p); static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm){	pte_t *pte;	unsigned long i; 	pte = __pte_alloc_one_kernel(mm);	if (!pte)		return NULL; 	for (i = 0; i < PAGE_SIZE/sizeof(pte_t); i++)		(pte + i)->pte_low = _PAGE_GLOBAL; 	return pte;} static inline pgd_t *pgd_alloc(struct mm_struct *mm){	pgd_t *ret;	pgd_t *init; 	ret = __pgd_alloc(mm, 0);	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));		/* prevent out of order excute */		smp_mb();#ifdef CONFIG_CPU_NEED_TLBSYNC		dcache_wb_range((unsigned int)ret,				(unsigned int)(ret + PTRS_PER_PGD));#endif	} 	return ret;} #define __pte_free_tlb(tlb, pte, address)	\	tlb_remove_ptdesc((tlb), page_ptdesc(pte)) extern void pagetable_init(void);extern void mmu_init(unsigned long min_pfn, unsigned long max_pfn);extern void pre_trap_init(void); #endif /* __ASM_CSKY_PGALLOC_H */