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