| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ASM_SH_PGALLOC_H |
| #define __ASM_SH_PGALLOC_H |
| |
| #include <asm/page.h> |
| #include <asm-generic/pgalloc.h> |
| |
| extern pgd_t *pgd_alloc(struct mm_struct *); |
| extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); |
| |
| #if PAGETABLE_LEVELS > 2 |
| extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); |
| extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); |
| extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); |
| #endif |
| |
| static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, |
| pte_t *pte) |
| { |
| set_pmd(pmd, __pmd((unsigned long)pte)); |
| } |
| |
| static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, |
| pgtable_t pte) |
| { |
| set_pmd(pmd, __pmd((unsigned long)page_address(pte))); |
| } |
| #define pmd_pgtable(pmd) pmd_page(pmd) |
| |
| #define __pte_free_tlb(tlb,pte,addr) \ |
| do { \ |
| pgtable_pte_page_dtor(pte); \ |
| tlb_remove_page((tlb), (pte)); \ |
| } while (0) |
| |
| #if CONFIG_PGTABLE_LEVELS > 2 |
| #define __pmd_free_tlb(tlb, pmdp, addr) \ |
| do { \ |
| struct page *page = virt_to_page(pmdp); \ |
| pgtable_pmd_page_dtor(page); \ |
| tlb_remove_page((tlb), page); \ |
| } while (0); |
| #endif |
| |
| #endif /* __ASM_SH_PGALLOC_H */ |
