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*1355c31eSMike Rapoport 7*1355c31eSMike Rapoport #define __HAVE_ARCH_PMD_ALLOC_ONE 8*1355c31eSMike Rapoport #define __HAVE_ARCH_PMD_FREE 96fb12766SMike Rapoport #include <asm-generic/pgalloc.h> 10f15cbe6fSPaul Mundt 112a5eaccaSMatt Fleming extern pgd_t *pgd_alloc(struct mm_struct *); 122a5eaccaSMatt Fleming extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); 132a5eaccaSMatt Fleming 14782bb5a5SPaul Mundt #if PAGETABLE_LEVELS > 2 152a5eaccaSMatt Fleming extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); 162a5eaccaSMatt Fleming extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); 172a5eaccaSMatt Fleming extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); 18c7bcbc8aSPeter Zijlstra #define __pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, (pmdp)) 195d9b4b19SMatt Fleming #endif 20b73c8063SMatt Fleming 21f15cbe6fSPaul Mundt static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, 22f15cbe6fSPaul Mundt pte_t *pte) 23f15cbe6fSPaul Mundt { 24f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)pte)); 25f15cbe6fSPaul Mundt } 26f15cbe6fSPaul Mundt 27f15cbe6fSPaul Mundt static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, 28f15cbe6fSPaul Mundt pgtable_t pte) 29f15cbe6fSPaul Mundt { 30f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)page_address(pte))); 31f15cbe6fSPaul Mundt } 32f15cbe6fSPaul Mundt #define pmd_pgtable(pmd) pmd_page(pmd) 33f15cbe6fSPaul Mundt 349e1b32caSBenjamin Herrenschmidt #define __pte_free_tlb(tlb,pte,addr) \ 35f15cbe6fSPaul Mundt do { \ 36b4ed71f5SMark Rutland pgtable_pte_page_dtor(pte); \ 37f15cbe6fSPaul Mundt tlb_remove_page((tlb), (pte)); \ 38f15cbe6fSPaul Mundt } while (0) 39f15cbe6fSPaul Mundt 40f15cbe6fSPaul Mundt #endif /* __ASM_SH_PGALLOC_H */ 41