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 5*bb3be388SVishal Moola (Oracle) #include <linux/mm.h> 6f15cbe6fSPaul Mundt #include <asm/page.h> 71355c31eSMike Rapoport 81355c31eSMike Rapoport #define __HAVE_ARCH_PMD_ALLOC_ONE 91355c31eSMike Rapoport #define __HAVE_ARCH_PMD_FREE 10f9cb654cSMike Rapoport #define __HAVE_ARCH_PGD_FREE 116fb12766SMike Rapoport #include <asm-generic/pgalloc.h> 12f15cbe6fSPaul Mundt 132a5eaccaSMatt Fleming extern pgd_t *pgd_alloc(struct mm_struct *); 142a5eaccaSMatt Fleming extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); 152a5eaccaSMatt Fleming 16782bb5a5SPaul Mundt #if PAGETABLE_LEVELS > 2 172a5eaccaSMatt Fleming extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); 182a5eaccaSMatt Fleming extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); 192a5eaccaSMatt Fleming extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); 20c7bcbc8aSPeter Zijlstra #define __pmd_free_tlb(tlb, pmdp, addr) pmd_free((tlb)->mm, (pmdp)) 215d9b4b19SMatt Fleming #endif 22b73c8063SMatt Fleming 23f15cbe6fSPaul Mundt static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, 24f15cbe6fSPaul Mundt pte_t *pte) 25f15cbe6fSPaul Mundt { 26f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)pte)); 27f15cbe6fSPaul Mundt } 28f15cbe6fSPaul Mundt 29f15cbe6fSPaul Mundt static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, 30f15cbe6fSPaul Mundt pgtable_t pte) 31f15cbe6fSPaul Mundt { 32f15cbe6fSPaul Mundt set_pmd(pmd, __pmd((unsigned long)page_address(pte))); 33f15cbe6fSPaul Mundt } 34f15cbe6fSPaul Mundt 359e1b32caSBenjamin Herrenschmidt #define __pte_free_tlb(tlb, pte, addr) \ 36f15cbe6fSPaul Mundt do { \ 37*bb3be388SVishal Moola (Oracle) pagetable_pte_dtor(page_ptdesc(pte)); \ 38*bb3be388SVishal Moola (Oracle) tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \ 39f15cbe6fSPaul Mundt } while (0) 40f15cbe6fSPaul Mundt 41f15cbe6fSPaul Mundt #endif /* __ASM_SH_PGALLOC_H */ 42