| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| #ifndef _ASM_POWERPC_PGALLOC_64_H | |
| #define _ASM_POWERPC_PGALLOC_64_H | |
| /* | |
| */ | |
| #include <linux/slab.h> | |
| #include <linux/cpumask.h> | |
| #include <linux/percpu.h> | |
| struct vmemmap_backing { | |
| struct vmemmap_backing *list; | |
| unsigned long phys; | |
| unsigned long virt_addr; | |
| }; | |
| extern struct vmemmap_backing *vmemmap_list; | |
| #define p4d_populate(MM, P4D, PUD) p4d_set(P4D, (unsigned long)PUD) | |
| static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) | |
| { | |
| return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE), | |
| pgtable_gfp_flags(mm, GFP_KERNEL)); | |
| } | |
| static inline void pud_free(struct mm_struct *mm, pud_t *pud) | |
| { | |
| kmem_cache_free(PGT_CACHE(PUD_INDEX_SIZE), pud); | |
| } | |
| static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) | |
| { | |
| pud_set(pud, (unsigned long)pmd); | |
| } | |
| static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, | |
| pte_t *pte) | |
| { | |
| pmd_set(pmd, (unsigned long)pte); | |
| } | |
| static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, | |
| pgtable_t pte_page) | |
| { | |
| pmd_set(pmd, (unsigned long)pte_page); | |
| } | |
| static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) | |
| { | |
| return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX), | |
| pgtable_gfp_flags(mm, GFP_KERNEL)); | |
| } | |
| static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) | |
| { | |
| kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd); | |
| } | |
| #define __pmd_free_tlb(tlb, pmd, addr) \ | |
| pgtable_free_tlb(tlb, pmd, PMD_CACHE_INDEX) | |
| #define __pud_free_tlb(tlb, pud, addr) \ | |
| pgtable_free_tlb(tlb, pud, PUD_INDEX_SIZE) | |
| #endif /* _ASM_POWERPC_PGALLOC_64_H */ |