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
11struct vmemmap_backing {
12	struct vmemmap_backing *list;
13	unsigned long phys;
14	unsigned long virt_addr;
15};
16extern struct vmemmap_backing *vmemmap_list;
17
18static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4d, pud_t *pud)
19{
20	p4d_set(p4d, (unsigned long)pud);
21}
22
23static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
24{
25	return kmem_cache_alloc(PGT_CACHE(PUD_INDEX_SIZE),
26			pgtable_gfp_flags(mm, GFP_KERNEL));
27}
28
29static inline void pud_free(struct mm_struct *mm, pud_t *pud)
30{
31	kmem_cache_free(PGT_CACHE(PUD_INDEX_SIZE), pud);
32}
33
34static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
35{
36	pud_set(pud, (unsigned long)pmd);
37}
38
39static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
40				       pte_t *pte)
41{
42	pmd_set(pmd, (unsigned long)pte);
43}
44
45static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
46				pgtable_t pte_page)
47{
48	pmd_set(pmd, (unsigned long)pte_page);
49}
50
51static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
52{
53	return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX),
54			pgtable_gfp_flags(mm, GFP_KERNEL));
55}
56
57static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
58{
59	kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd);
60}
61
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)
66
67#endif /* _ASM_POWERPC_PGALLOC_64_H */
68