diff options
Diffstat (limited to 'arch/unicore32/include/asm/pgalloc.h')
-rw-r--r-- | arch/unicore32/include/asm/pgalloc.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/arch/unicore32/include/asm/pgalloc.h b/arch/unicore32/include/asm/pgalloc.h deleted file mode 100644 index ba1c9a79993b..000000000000 --- a/arch/unicore32/include/asm/pgalloc.h +++ /dev/null @@ -1,87 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * linux/arch/unicore32/include/asm/pgalloc.h - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Copyright (C) 2001-2010 GUAN Xue-tao - */ -#ifndef __UNICORE_PGALLOC_H__ -#define __UNICORE_PGALLOC_H__ - -#include <asm/pgtable-hwdef.h> -#include <asm/processor.h> -#include <asm/cacheflush.h> -#include <asm/tlbflush.h> - -#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL -#define __HAVE_ARCH_PTE_ALLOC_ONE -#include <asm-generic/pgalloc.h> - -#define _PAGE_USER_TABLE (PMD_TYPE_TABLE | PMD_PRESENT) -#define _PAGE_KERNEL_TABLE (PMD_TYPE_TABLE | PMD_PRESENT) - -extern pgd_t *get_pgd_slow(struct mm_struct *mm); -extern void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd); - -#define pgd_alloc(mm) get_pgd_slow(mm) -#define pgd_free(mm, pgd) free_pgd_slow(mm, pgd) - -/* - * Allocate one PTE table. - */ -static inline pte_t * -pte_alloc_one_kernel(struct mm_struct *mm) -{ - pte_t *pte = __pte_alloc_one_kernel(mm); - - if (pte) - clean_dcache_area(pte, PTRS_PER_PTE * sizeof(pte_t)); - - return pte; -} - -static inline pgtable_t -pte_alloc_one(struct mm_struct *mm) -{ - struct page *pte; - - pte = __pte_alloc_one(mm, GFP_PGTABLE_USER); - if (!pte) - return NULL; - if (!PageHighMem(pte)) - clean_pte_table(page_address(pte)); - return pte; -} - -static inline void __pmd_populate(pmd_t *pmdp, unsigned long pmdval) -{ - set_pmd(pmdp, __pmd(pmdval)); - flush_pmd_entry(pmdp); -} - -/* - * Populate the pmdp entry with a pointer to the pte. This pmd is part - * of the mm address space. - */ -static inline void -pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep) -{ - unsigned long pte_ptr = (unsigned long)ptep; - - /* - * The pmd must be loaded with the physical - * address of the PTE table - */ - __pmd_populate(pmdp, __pa(pte_ptr) | _PAGE_KERNEL_TABLE); -} - -static inline void -pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep) -{ - __pmd_populate(pmdp, - page_to_pfn(ptep) << PAGE_SHIFT | _PAGE_USER_TABLE); -} -#define pmd_pgtable(pmd) pmd_page(pmd) - -#endif |