tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
15 */
16extern void local_flush_tlb_all(void);
17extern void local_flush_tlb_mm(struct mm_struct *mm);
18extern void local_flush_tlb_range(struct vm_area_struct *vma,
19 unsigned long start, unsigned long end);
20extern void local_flush_tlb_kernel_range(unsigned long start,
21 unsigned long end);
22extern void local_flush_tlb_page(struct vm_area_struct *vma,
23 unsigned long page);
24extern void local_flush_tlb_one(unsigned long vaddr);
25
26#ifdef CONFIG_SMP
27
28extern void flush_tlb_all(void);
29extern void flush_tlb_mm(struct mm_struct *);
30extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long,
31 unsigned long);
32extern void flush_tlb_kernel_range(unsigned long, unsigned long);
33extern void flush_tlb_page(struct vm_area_struct *, unsigned long);
34extern void flush_tlb_one(unsigned long vaddr);
35
36#else /* CONFIG_SMP */
37
38#define flush_tlb_all() local_flush_tlb_all()
39#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
40#define flush_tlb_range(vma,vmaddr,end) local_flush_tlb_range(vma, vmaddr, end)
41#define flush_tlb_kernel_range(vmaddr,end) \
42 local_flush_tlb_kernel_range(vmaddr, end)
43#define flush_tlb_page(vma,page) local_flush_tlb_page(vma, page)
44#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr)
45
46#endif /* CONFIG_SMP */
47
48static inline void flush_tlb_pgtables(struct mm_struct *mm,
49 unsigned long start, unsigned long end)
50{
51 /* Nothing to do on MIPS. */
52}
53
54#endif /* __ASM_TLBFLUSH_H */