1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_HUGETLB_H
#define _ASM_POWERPC_HUGETLB_H
#ifdef CONFIG_HUGETLB_PAGE
#include <asm/page.h>
#ifdef CONFIG_PPC_BOOK3S_64
#include <asm/book3s/64/hugetlb.h>
#elif defined(CONFIG_PPC_FSL_BOOK3E)
#include <asm/nohash/hugetlb-book3e.h>
#elif defined(CONFIG_PPC_8xx)
#include <asm/nohash/32/hugetlb-8xx.h>
#endif /* CONFIG_PPC_BOOK3S_64 */
extern bool hugetlb_disabled;
void __init hugetlbpage_init_defaultsize(void);
int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
unsigned long len);
static inline int is_hugepage_only_range(struct mm_struct *mm,
unsigned long addr,
unsigned long len)
{
if (IS_ENABLED(CONFIG_PPC_MM_SLICES) && !radix_enabled())
return slice_is_hugepage_only_range(mm, addr, len);
return 0;
}
#define is_hugepage_only_range is_hugepage_only_range
#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
unsigned long ceiling);
#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR
static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1));
}
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
huge_ptep_get_and_clear(vma->vm_mm, addr, ptep);
flush_hugetlb_page(vma, addr);
}
#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
void gigantic_hugetlb_cma_reserve(void) __init;
#include <asm-generic/hugetlb.h>
#else /* ! CONFIG_HUGETLB_PAGE */
static inline void flush_hugetlb_page(struct vm_area_struct *vma,
unsigned long vmaddr)
{
}
#define hugepd_shift(x) 0
static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr,
unsigned pdshift)
{
return NULL;
}
static inline void __init gigantic_hugetlb_cma_reserve(void)
{
}
static inline void __init hugetlbpage_init_defaultsize(void)
{
}
#endif /* CONFIG_HUGETLB_PAGE */
#endif /* _ASM_POWERPC_HUGETLB_H */
|
