1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef _ASM_POWERPC_PGALLOC_64_H
3 #define _ASM_POWERPC_PGALLOC_64_H
7 #include <linux/slab.h>
8 #include <linux/cpumask.h>
9 #include <linux/percpu.h>
11 struct vmemmap_backing {
12 struct vmemmap_backing *list;
14 unsigned long virt_addr;
16 extern struct vmemmap_backing *vmemmap_list;
18 static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud)
20 p4d_set(p4d, (unsigned long)pud);
23 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
25 return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE),
26 pgtable_gfp_flags(mm, GFP_KERNEL));
29 static inline void pud_free(struct mm_struct *mm, pud_t *pud)
31 kmem_cache_free(PGT_CACHE(PUD_INDEX_SIZE), pud);
34 static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
36 pud_set(pud, (unsigned long)pmd);
39 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
42 pmd_set(pmd, (unsigned long)pte);
45 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
48 pmd_set(pmd, (unsigned long)pte_page);
51 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
53 return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX),
54 pgtable_gfp_flags(mm, GFP_KERNEL));
57 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
59 kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd);
62 #define __pmd_free_tlb(tlb, pmd, addr) \
63 pgtable_free_tlb(tlb, pmd, PMD_CACHE_INDEX)
64 #define __pud_free_tlb(tlb, pud, addr) \
65 pgtable_free_tlb(tlb, pud, PUD_INDEX_SIZE)
67 #endif /* _ASM_POWERPC_PGALLOC_64_H */