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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef __ASM_TLBFLUSH_H |
3 | #define __ASM_TLBFLUSH_H | |
4 | ||
1da177e4 LT |
5 | #include <linux/mm.h> |
6 | ||
7 | /* | |
8 | * TLB flushing: | |
9 | * | |
10 | * - flush_tlb_all() flushes all processes TLB entries | |
11 | * - flush_tlb_mm(mm) flushes the specified mm context TLB entries | |
12 | * - flush_tlb_page(vma, vmaddr) flushes one page | |
13 | * - flush_tlb_range(vma, start, end) flushes a range of pages | |
14 | * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages | |
1da177e4 LT |
15 | */ |
16 | extern void local_flush_tlb_all(void); | |
1da177e4 LT |
17 | extern void local_flush_tlb_range(struct vm_area_struct *vma, |
18 | unsigned long start, unsigned long end); | |
19 | extern void local_flush_tlb_kernel_range(unsigned long start, | |
20 | unsigned long end); | |
21 | extern void local_flush_tlb_page(struct vm_area_struct *vma, | |
22 | unsigned long page); | |
23 | extern void local_flush_tlb_one(unsigned long vaddr); | |
24 | ||
558ec8ad PB |
25 | #include <asm/mmu_context.h> |
26 | ||
1da177e4 LT |
27 | #ifdef CONFIG_SMP |
28 | ||
29 | extern void flush_tlb_all(void); | |
30 | extern void flush_tlb_mm(struct mm_struct *); | |
31 | extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long, | |
32 | unsigned long); | |
33 | extern void flush_tlb_kernel_range(unsigned long, unsigned long); | |
34 | extern void flush_tlb_page(struct vm_area_struct *, unsigned long); | |
35 | extern void flush_tlb_one(unsigned long vaddr); | |
36 | ||
37 | #else /* CONFIG_SMP */ | |
38 | ||
39 | #define flush_tlb_all() local_flush_tlb_all() | |
558ec8ad | 40 | #define flush_tlb_mm(mm) drop_mmu_context(mm) |
21a151d8 | 41 | #define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, end) |
1da177e4 LT |
42 | #define flush_tlb_kernel_range(vmaddr,end) \ |
43 | local_flush_tlb_kernel_range(vmaddr, end) | |
21a151d8 | 44 | #define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) |
1da177e4 LT |
45 | #define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) |
46 | ||
47 | #endif /* CONFIG_SMP */ | |
48 | ||
1da177e4 | 49 | #endif /* __ASM_TLBFLUSH_H */ |