1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun #ifndef _ASM_POWERPC_PGALLOC_64_H
3*4882a593Smuzhiyun #define _ASM_POWERPC_PGALLOC_64_H
4*4882a593Smuzhiyun /*
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <linux/slab.h>
8*4882a593Smuzhiyun #include <linux/cpumask.h>
9*4882a593Smuzhiyun #include <linux/percpu.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun struct vmemmap_backing {
12*4882a593Smuzhiyun struct vmemmap_backing *list;
13*4882a593Smuzhiyun unsigned long phys;
14*4882a593Smuzhiyun unsigned long virt_addr;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun extern struct vmemmap_backing *vmemmap_list;
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #define p4d_populate(MM, P4D, PUD) p4d_set(P4D, (unsigned long)PUD)
19*4882a593Smuzhiyun
pud_alloc_one(struct mm_struct * mm,unsigned long addr)20*4882a593Smuzhiyun static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE),
23*4882a593Smuzhiyun pgtable_gfp_flags(mm, GFP_KERNEL));
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
pud_free(struct mm_struct * mm,pud_t * pud)26*4882a593Smuzhiyun static inline void pud_free(struct mm_struct *mm, pud_t *pud)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun kmem_cache_free(PGT_CACHE(PUD_INDEX_SIZE), pud);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
pud_populate(struct mm_struct * mm,pud_t * pud,pmd_t * pmd)31*4882a593Smuzhiyun static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun pud_set(pud, (unsigned long)pmd);
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmd,pte_t * pte)36*4882a593Smuzhiyun static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
37*4882a593Smuzhiyun pte_t *pte)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun pmd_set(pmd, (unsigned long)pte);
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
pmd_populate(struct mm_struct * mm,pmd_t * pmd,pgtable_t pte_page)42*4882a593Smuzhiyun static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
43*4882a593Smuzhiyun pgtable_t pte_page)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun pmd_set(pmd, (unsigned long)pte_page);
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun
pmd_alloc_one(struct mm_struct * mm,unsigned long addr)48*4882a593Smuzhiyun static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX),
51*4882a593Smuzhiyun pgtable_gfp_flags(mm, GFP_KERNEL));
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
pmd_free(struct mm_struct * mm,pmd_t * pmd)54*4882a593Smuzhiyun static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
55*4882a593Smuzhiyun {
56*4882a593Smuzhiyun kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd);
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun #define __pmd_free_tlb(tlb, pmd, addr) \
60*4882a593Smuzhiyun pgtable_free_tlb(tlb, pmd, PMD_CACHE_INDEX)
61*4882a593Smuzhiyun #define __pud_free_tlb(tlb, pud, addr) \
62*4882a593Smuzhiyun pgtable_free_tlb(tlb, pud, PUD_INDEX_SIZE)
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun #endif /* _ASM_POWERPC_PGALLOC_64_H */
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