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