diff options
Diffstat (limited to 'arch/arm64/include/asm/pgtable-2level-hwdef.h')
| -rw-r--r-- | arch/arm64/include/asm/pgtable-2level-hwdef.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/arm64/include/asm/pgtable-2level-hwdef.h b/arch/arm64/include/asm/pgtable-2level-hwdef.h deleted file mode 100644 index 2593b490c56a..000000000000 --- a/arch/arm64/include/asm/pgtable-2level-hwdef.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * 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_PGTABLE_2LEVEL_HWDEF_H -#define __ASM_PGTABLE_2LEVEL_HWDEF_H - -/* - * With LPAE and 64KB pages, there are 2 levels of page tables. Each level has - * 8192 entries of 8 bytes each, occupying a 64KB page. Levels 0 and 1 are not - * used. The 2nd level table (PGD for Linux) can cover a range of 4TB, each - * entry representing 512MB. The user and kernel address spaces are limited to - * 4TB in the 64KB page configuration. - */ -#define PTRS_PER_PTE 8192 -#define PTRS_PER_PGD 8192 - -/* - * PGDIR_SHIFT determines the size a top-level page table entry can map. - */ -#define PGDIR_SHIFT 29 -#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE-1)) - -/* - * section address mask and size definitions. - */ -#define SECTION_SHIFT 29 -#define SECTION_SIZE (_AC(1, UL) << SECTION_SHIFT) -#define SECTION_MASK (~(SECTION_SIZE-1)) - -#endif |