diff options
Diffstat (limited to 'arch/arm64/include/asm/pgalloc.h')
| -rw-r--r-- | arch/arm64/include/asm/pgalloc.h | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h index 52fa47c73bf0..cdced518378d 100644 --- a/arch/arm64/include/asm/pgalloc.h +++ b/arch/arm64/include/asm/pgalloc.h @@ -1,20 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Based on arch/arm/include/asm/pgalloc.h * * Copyright (C) 2000-2001 Russell King * Copyright (C) 2012 ARM Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __ASM_PGALLOC_H #define __ASM_PGALLOC_H @@ -33,12 +22,22 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return (pmd_t *)__get_free_page(PGALLOC_GFP); + struct page *page; + + page = alloc_page(PGALLOC_GFP); + if (!page) + return NULL; + if (!pgtable_pmd_page_ctor(page)) { + __free_page(page); + return NULL; + } + return page_address(page); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmdp) { BUG_ON((unsigned long)pmdp & (PAGE_SIZE-1)); + pgtable_pmd_page_dtor(virt_to_page(pmdp)); free_page((unsigned long)pmdp); } |