1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2f15cbe6fSPaul Mundt #ifndef __ASM_SH_PGALLOC_H 3f15cbe6fSPaul Mundt #define __ASM_SH_PGALLOC_H 4f15cbe6fSPaul Mundt 5f15cbe6fSPaul Mundt #include <asm/page.h> 6*6fb12766SMike Rapoport #include <asm-generic/pgalloc.h> 7f15cbe6fSPaul Mundt 82a5eaccaSMatt Fleming extern pgd_t *pgd_alloc(struct mm_struct *); 92a5eaccaSMatt Fleming extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); 102a5eaccaSMatt Fleming 11782bb5a5SPaul Mundt #if PAGETABLE_LEVELS > 2 122a5eaccaSMatt Fleming extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); 132a5eaccaSMatt Fleming extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); 142a5eaccaSMatt Fleming extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); 155d9b4b19SMatt Fleming #endif 16b73c8063SMatt Fleming 17f15cbe6fSPaul Mundt static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, 18f15cbe6fSPaul Mundt pte_t *pte) 19f15cbe6fSPaul Mundt { 20f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)pte)); 21f15cbe6fSPaul Mundt } 22f15cbe6fSPaul Mundt 23f15cbe6fSPaul Mundt static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, 24f15cbe6fSPaul Mundt pgtable_t pte) 25f15cbe6fSPaul Mundt { 26f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)page_address(pte))); 27f15cbe6fSPaul Mundt } 28f15cbe6fSPaul Mundt #define pmd_pgtable(pmd) pmd_page(pmd) 29f15cbe6fSPaul Mundt 309e1b32caSBenjamin Herrenschmidt #define __pte_free_tlb(tlb,pte,addr) \ 31f15cbe6fSPaul Mundt do { \ 32f15cbe6fSPaul Mundt pgtable_page_dtor(pte); \ 33f15cbe6fSPaul Mundt tlb_remove_page((tlb), (pte)); \ 34f15cbe6fSPaul Mundt } while (0) 35f15cbe6fSPaul Mundt 36c5b27a88SPeter Zijlstra #if CONFIG_PGTABLE_LEVELS > 2 37c5b27a88SPeter Zijlstra #define __pmd_free_tlb(tlb, pmdp, addr) \ 38c5b27a88SPeter Zijlstra do { \ 39c5b27a88SPeter Zijlstra struct page *page = virt_to_page(pmdp); \ 40c5b27a88SPeter Zijlstra pgtable_pmd_page_dtor(page); \ 41c5b27a88SPeter Zijlstra tlb_remove_page((tlb), page); \ 42c5b27a88SPeter Zijlstra } while (0); 43c5b27a88SPeter Zijlstra #endif 44c5b27a88SPeter Zijlstra 45f15cbe6fSPaul Mundt #endif /* __ASM_SH_PGALLOC_H */ 46