xref: /openbmc/linux/arch/mips/include/asm/tlbflush.h (revision 293d5b43)
1 #ifndef __ASM_TLBFLUSH_H
2 #define __ASM_TLBFLUSH_H
3 
4 #include <linux/mm.h>
5 
6 /*
7  * TLB flushing:
8  *
9  *  - flush_tlb_all() flushes all processes TLB entries
10  *  - flush_tlb_mm(mm) flushes the specified mm context TLB entries
11  *  - flush_tlb_page(vma, vmaddr) flushes one page
12  *  - flush_tlb_range(vma, start, end) flushes a range of pages
13  *  - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
14  */
15 extern void local_flush_tlb_all(void);
16 extern void local_flush_tlb_mm(struct mm_struct *mm);
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 
25 #ifdef CONFIG_SMP
26 
27 extern void flush_tlb_all(void);
28 extern void flush_tlb_mm(struct mm_struct *);
29 extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long,
30 	unsigned long);
31 extern void flush_tlb_kernel_range(unsigned long, unsigned long);
32 extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
33 extern void flush_tlb_one(unsigned long vaddr);
34 
35 #else /* CONFIG_SMP */
36 
37 #define flush_tlb_all()			local_flush_tlb_all()
38 #define flush_tlb_mm(mm)		local_flush_tlb_mm(mm)
39 #define flush_tlb_range(vma, vmaddr, end)	local_flush_tlb_range(vma, vmaddr, end)
40 #define flush_tlb_kernel_range(vmaddr,end) \
41 	local_flush_tlb_kernel_range(vmaddr, end)
42 #define flush_tlb_page(vma, page)	local_flush_tlb_page(vma, page)
43 #define flush_tlb_one(vaddr)		local_flush_tlb_one(vaddr)
44 
45 #endif /* CONFIG_SMP */
46 
47 #endif /* __ASM_TLBFLUSH_H */
48