/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_BOOK3S_PGTABLE_H #define _ASM_POWERPC_BOOK3S_PGTABLE_H #ifdef CONFIG_PPC64 #include <asm/book3s/64/pgtable.h> #else #include <asm/book3s/32/pgtable.h> #endif #define FIRST_USER_ADDRESS 0UL #ifndef __ASSEMBLY__ /* Insert a PTE, top-level function is out of line. It uses an inline * low level function in the respective pgtable-* files */ extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte); #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address, pte_t *ptep, pte_t entry, int dirty); struct file; extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot); #define __HAVE_PHYS_MEM_ACCESS_PROT /* * This gets called at the end of handling a page fault, when * the kernel has put a new PTE into the page table for the process. * We use it to ensure coherency between the i-cache and d-cache * for the page which has just been mapped in. * On machines which use an MMU hash table, we use this to put a * corresponding HPTE into the hash table ahead of time, instead of * waiting for the inevitable extra hash-table miss exception. */ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep); #endif /* __ASSEMBLY__ */ #endif