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 13 extern pgd_t *pgd_alloc(struct mm_struct *); 14 extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); 15 16 #if PAGETABLE_LEVELS > 2 17 extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); 18 extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); 19 extern 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 23 static 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 29 static 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) \ 36 do { \ 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