| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_POWERPC_PGALLOC_32_H |
| #define _ASM_POWERPC_PGALLOC_32_H |
| |
| #include <linux/threads.h> |
| #include <linux/slab.h> |
| |
| /* |
| * We don't have any real pmd's, and this code never triggers because |
| * the pgd will always be present.. |
| */ |
| /* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */ |
| #define pmd_free(mm, x) do { } while (0) |
| #define __pmd_free_tlb(tlb,x,a) do { } while (0) |
| /* #define pgd_populate(mm, pmd, pte) BUG() */ |
| |
| static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, |
| pte_t *pte) |
| { |
| if (IS_ENABLED(CONFIG_BOOKE)) |
| *pmdp = __pmd((unsigned long)pte | _PMD_PRESENT); |
| else |
| *pmdp = __pmd(__pa(pte) | _PMD_PRESENT); |
| } |
| |
| static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, |
| pgtable_t pte_page) |
| { |
| if (IS_ENABLED(CONFIG_BOOKE)) |
| *pmdp = __pmd((unsigned long)pte_page | _PMD_PRESENT); |
| else |
| *pmdp = __pmd(__pa(pte_page) | _PMD_USER | _PMD_PRESENT); |
| } |
| |
| #endif /* _ASM_POWERPC_PGALLOC_32_H */ |
