1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef __ASM_SH_PGALLOC_H 3#define __ASM_SH_PGALLOC_H 4 5#include <linux/mm.h> 6#include <asm/page.h> 7 8#define __HAVE_ARCH_PMD_ALLOC_ONE 9#define __HAVE_ARCH_PMD_FREE 10#define __HAVE_ARCH_PGD_FREE 11#include <asm-generic/pgalloc.h> 12 13extern pgd_t *pgd_alloc(struct mm_struct *); 14extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); 15 16#if PAGETABLE_LEVELS > 2 17extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); 18extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); 19extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); 20#define __pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, (pmdp)) 21#endif 22 23static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, 24 pte_t *pte) 25{ 26 set_pmd(pmd, __pmd((unsigned long)pte)); 27} 28 29static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, 30 pgtable_t pte) 31{ 32 set_pmd(pmd, __pmd((unsigned long)page_address(pte))); 33} 34 35#define __pte_free_tlb(tlb, pte, addr) \ 36do { \ 37 pagetable_pte_dtor(page_ptdesc(pte)); \ 38 tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \ 39} while (0) 40 41#endif /* __ASM_SH_PGALLOC_H */ 42