1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ALPHA_PGALLOC_H
3*4882a593Smuzhiyun #define _ALPHA_PGALLOC_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/mm.h>
6*4882a593Smuzhiyun #include <linux/mmzone.h>
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <asm-generic/pgalloc.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun /*
11*4882a593Smuzhiyun * Allocate and free page tables. The xxx_kernel() versions are
12*4882a593Smuzhiyun * used to allocate a kernel page table - this turns on ASN bits
13*4882a593Smuzhiyun * if any.
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun static inline void
pmd_populate(struct mm_struct * mm,pmd_t * pmd,pgtable_t pte)17*4882a593Smuzhiyun pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun pmd_set(pmd, (pte_t *)(page_to_pa(pte) + PAGE_OFFSET));
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun #define pmd_pgtable(pmd) pmd_page(pmd)
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun static inline void
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmd,pte_t * pte)24*4882a593Smuzhiyun pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun pmd_set(pmd, pte);
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun static inline void
pud_populate(struct mm_struct * mm,pud_t * pud,pmd_t * pmd)30*4882a593Smuzhiyun pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun pud_set(pud, pmd);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun extern pgd_t *pgd_alloc(struct mm_struct *mm);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun #endif /* _ALPHA_PGALLOC_H */
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