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