1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef _ASM_POWERPC_PGALLOC_64_H
3 #define _ASM_POWERPC_PGALLOC_64_H
4 /*
5 */
6
7 #include <linux/slab.h>
8 #include <linux/cpumask.h>
9 #include <linux/percpu.h>
10
11 struct vmemmap_backing {
12 struct vmemmap_backing *list;
13 unsigned long phys;
14 unsigned long virt_addr;
15 };
16 extern struct vmemmap_backing *vmemmap_list;
17
18 #define p4d_populate(MM, P4D, PUD) p4d_set(P4D, (unsigned long)PUD)
19
pud_alloc_one(struct mm_struct * mm,unsigned long addr)20 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
21 {
22 return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE),
23 pgtable_gfp_flags(mm, GFP_KERNEL));
24 }
25
pud_free(struct mm_struct * mm,pud_t * pud)26 static inline void pud_free(struct mm_struct *mm, pud_t *pud)
27 {
28 kmem_cache_free(PGT_CACHE(PUD_INDEX_SIZE), pud);
29 }
30
pud_populate(struct mm_struct * mm,pud_t * pud,pmd_t * pmd)31 static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
32 {
33 pud_set(pud, (unsigned long)pmd);
34 }
35
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmd,pte_t * pte)36 static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
37 pte_t *pte)
38 {
39 pmd_set(pmd, (unsigned long)pte);
40 }
41
pmd_populate(struct mm_struct * mm,pmd_t * pmd,pgtable_t pte_page)42 static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
43 pgtable_t pte_page)
44 {
45 pmd_set(pmd, (unsigned long)pte_page);
46 }
47
pmd_alloc_one(struct mm_struct * mm,unsigned long addr)48 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
49 {
50 return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX),
51 pgtable_gfp_flags(mm, GFP_KERNEL));
52 }
53
pmd_free(struct mm_struct * mm,pmd_t * pmd)54 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
55 {
56 kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd);
57 }
58
59 #define __pmd_free_tlb(tlb, pmd, addr) \
60 pgtable_free_tlb(tlb, pmd, PMD_CACHE_INDEX)
61 #define __pud_free_tlb(tlb, pud, addr) \
62 pgtable_free_tlb(tlb, pud, PUD_INDEX_SIZE)
63
64 #endif /* _ASM_POWERPC_PGALLOC_64_H */
65