1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef _SPARC_PGALLOC_H
3 #define _SPARC_PGALLOC_H
4
5 #include <linux/kernel.h>
6 #include <linux/sched.h>
7 #include <linux/pgtable.h>
8
9 #include <asm/pgtsrmmu.h>
10 #include <asm/vaddrs.h>
11 #include <asm/page.h>
12
13 struct page;
14
15 void *srmmu_get_nocache(int size, int align);
16 void srmmu_free_nocache(void *addr, int size);
17
18 extern struct resource sparc_iomap;
19
20 pgd_t *get_pgd_fast(void);
21 static inline void free_pgd_fast(pgd_t *pgd)
22 {
23 srmmu_free_nocache(pgd, SRMMU_PGD_TABL
24 }
25
26 #define pgd_free(mm, pgd) free_pgd_fast(
27 #define pgd_alloc(mm) get_pgd_fast()
28
29 static inline void pud_set(pud_t * pudp, pmd_t
30 {
31 unsigned long pa = __nocache_pa(pmdp);
32
33 set_pte((pte_t *)pudp, __pte((SRMMU_ET
34 }
35
36 #define pud_populate(MM, PGD, PMD) pud_se
37
38 static inline pmd_t *pmd_alloc_one(struct mm_s
39 unsigned lo
40 {
41 return srmmu_get_nocache(SRMMU_PMD_TAB
42 SRMMU_PMD_TAB
43 }
44
45 static inline void free_pmd_fast(pmd_t * pmd)
46 {
47 srmmu_free_nocache(pmd, SRMMU_PMD_TABL
48 }
49
50 #define pmd_free(mm, pmd) free_p
51 #define __pmd_free_tlb(tlb, pmd, addr) pmd_fr
52
53 #define pmd_populate(mm, pmd, pte) pmd_se
54
55 void pmd_set(pmd_t *pmdp, pte_t *ptep);
56 #define pmd_populate_kernel pmd_po
57
58 pgtable_t pte_alloc_one(struct mm_struct *mm);
59
60 static inline pte_t *pte_alloc_one_kernel(stru
61 {
62 return srmmu_get_nocache(SRMMU_PTE_TAB
63 SRMMU_PTE_TAB
64 }
65
66
67 static inline void free_pte_fast(pte_t *pte)
68 {
69 srmmu_free_nocache(pte, SRMMU_PTE_TABL
70 }
71
72 #define pte_free_kernel(mm, pte) free_p
73
74 void pte_free(struct mm_struct * mm, pgtable_t
75 #define __pte_free_tlb(tlb, pte, addr) pte_fr
76
77 #endif /* _SPARC_PGALLOC_H */
78
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.