diff options
Diffstat (limited to 'arch/openrisc/include/asm/pgalloc.h')
| -rw-r--r-- | arch/openrisc/include/asm/pgalloc.h | 50 |
1 files changed, 9 insertions, 41 deletions
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h index 05c39ecd2efd..3f110931d8f6 100644 --- a/arch/openrisc/include/asm/pgalloc.h +++ b/arch/openrisc/include/asm/pgalloc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * OpenRISC Linux * @@ -9,11 +10,6 @@ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * et al. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __ASM_OPENRISC_PGALLOC_H @@ -23,7 +19,9 @@ #include <linux/threads.h> #include <linux/mm.h> #include <linux/memblock.h> -#include <linux/bootmem.h> + +#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL +#include <asm-generic/pgalloc.h> extern int mem_init_done; @@ -43,15 +41,13 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, */ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *ret = (pgd_t *)__get_free_page(GFP_KERNEL); + pgd_t *ret = __pgd_alloc(mm, 0); - if (ret) { - memset(ret, 0, USER_PTRS_PER_PGD * sizeof(pgd_t)); + if (ret) memcpy(ret + USER_PTRS_PER_PGD, swapper_pg_dir + USER_PTRS_PER_PGD, (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); - } return ret; } @@ -66,37 +62,9 @@ extern inline pgd_t *pgd_alloc(struct mm_struct *mm) } #endif -static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) -{ - free_page((unsigned long)pgd); -} - -extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address); - -static inline struct page *pte_alloc_one(struct mm_struct *mm, - unsigned long address) -{ - struct page *pte; - pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); - if (pte) - clear_page(page_address(pte)); - return pte; -} - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - free_page((unsigned long)pte); -} - -static inline void pte_free(struct mm_struct *mm, struct page *pte) -{ - __free_page(pte); -} - - -#define __pte_free_tlb(tlb, pte, addr) tlb_remove_page((tlb), (pte)) -#define pmd_pgtable(pmd) pmd_page(pmd) +extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm); -#define check_pgt_cache() do { } while (0) +#define __pte_free_tlb(tlb, pte, addr) \ + tlb_remove_ptdesc((tlb), page_ptdesc(pte)) #endif |