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| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-05-31 13:04:11 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-06-03 15:09:28 +0300 |
| commit | 09cfefb7fa70c3af011b0db0a513fd80b2f18abc (patch) | |
| tree | fc1a269ecba1f88cabb2e79ee92251612ed6605a /arch/loongarch/include/asm/tlbflush.h | |
| parent | 803b0fc5c3f2baa6e54978cd576407896f789b08 (diff) | |
| download | linux-09cfefb7fa70c3af011b0db0a513fd80b2f18abc.tar.xz | |
LoongArch: Add memory management
Add memory management support for LoongArch, including: cache and tlb
management, page fault handling and ioremap/mmap support.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/asm/tlbflush.h')
| -rw-r--r-- | arch/loongarch/include/asm/tlbflush.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/tlbflush.h b/arch/loongarch/include/asm/tlbflush.h new file mode 100644 index 000000000000..36bd6d11dc2d --- /dev/null +++ b/arch/loongarch/include/asm/tlbflush.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ +#ifndef __ASM_TLBFLUSH_H +#define __ASM_TLBFLUSH_H + +#include <linux/mm.h> + +/* + * TLB flushing: + * + * - flush_tlb_all() flushes all processes TLB entries + * - flush_tlb_mm(mm) flushes the specified mm context TLB entries + * - flush_tlb_page(vma, vmaddr) flushes one page + * - flush_tlb_range(vma, start, end) flushes a range of pages + * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages + */ +extern void local_flush_tlb_all(void); +extern void local_flush_tlb_user(void); +extern void local_flush_tlb_kernel(void); +extern void local_flush_tlb_mm(struct mm_struct *mm); +extern void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); +extern void local_flush_tlb_kernel_range(unsigned long start, unsigned long end); +extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page); +extern void local_flush_tlb_one(unsigned long vaddr); + +#define flush_tlb_all() local_flush_tlb_all() +#define flush_tlb_mm(mm) local_flush_tlb_mm(mm) +#define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, end) +#define flush_tlb_kernel_range(vmaddr, end) local_flush_tlb_kernel_range(vmaddr, end) +#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page) +#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr) + +#endif /* __ASM_TLBFLUSH_H */ |