projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |