| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _ALPHA_PGALLOC_H |
| 3 | #define _ALPHA_PGALLOC_H |
| 4 | |
| 5 | #include <linux/mm.h> |
| 6 | #include <linux/mmzone.h> |
| 7 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 8 | #include <asm-generic/pgalloc.h> |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame] | 9 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 10 | /* |
| 11 | * Allocate and free page tables. The xxx_kernel() versions are |
| 12 | * used to allocate a kernel page table - this turns on ASN bits |
| 13 | * if any. |
| 14 | */ |
| 15 | |
| 16 | static inline void |
| 17 | pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte) |
| 18 | { |
| 19 | pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET)); |
| 20 | } |
| 21 | #define pmd_pgtable(pmd) pmd_page(pmd) |
| 22 | |
| 23 | static inline void |
| 24 | pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) |
| 25 | { |
| 26 | pmd_set(pmd, pte); |
| 27 | } |
| 28 | |
| 29 | static inline void |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 30 | pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 31 | { |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 32 | pud_set(pud, pmd); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | extern pgd_t *pgd_alloc(struct mm_struct *mm); |
| 36 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 37 | #endif /* _ALPHA_PGALLOC_H */ |