| /* 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; |
| |
| static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *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 */ |
