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> 66fb12766SMike 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); 15*c7bcbc8aSPeter Zijlstra #define __pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, (pmdp)) 165d9b4b19SMatt Fleming #endif 17b73c8063SMatt Fleming 18f15cbe6fSPaul Mundt static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, 19f15cbe6fSPaul Mundt pte_t *pte) 20f15cbe6fSPaul Mundt { 21f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)pte)); 22f15cbe6fSPaul Mundt } 23f15cbe6fSPaul Mundt 24f15cbe6fSPaul Mundt static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, 25f15cbe6fSPaul Mundt pgtable_t pte) 26f15cbe6fSPaul Mundt { 27f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)page_address(pte))); 28f15cbe6fSPaul Mundt } 29f15cbe6fSPaul Mundt #define pmd_pgtable(pmd) pmd_page(pmd) 30f15cbe6fSPaul Mundt 319e1b32caSBenjamin Herrenschmidt #define __pte_free_tlb(tlb,pte,addr) \ 32f15cbe6fSPaul Mundt do { \ 33b4ed71f5SMark Rutland pgtable_pte_page_dtor(pte); \ 34f15cbe6fSPaul Mundt tlb_remove_page((tlb), (pte)); \ 35f15cbe6fSPaul Mundt } while (0) 36f15cbe6fSPaul Mundt 37f15cbe6fSPaul Mundt #endif /* __ASM_SH_PGALLOC_H */ 38