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