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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002#ifndef __ASM_TLBFLUSH_H
3#define __ASM_TLBFLUSH_H
4
Linus Torvalds1da177e2005-04-16 15:20:36 -07005#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
Linus Torvalds1da177e2005-04-16 15:20:36 -070015 */
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)
Ralf Baechle21a151d2007-10-11 23:46:15 +010040#define flush_tlb_range(vma, vmaddr, end) local_flush_tlb_range(vma, vmaddr, end)
Linus Torvalds1da177e2005-04-16 15:20:36 -070041#define flush_tlb_kernel_range(vmaddr,end) \
42 local_flush_tlb_kernel_range(vmaddr, end)
Ralf Baechle21a151d2007-10-11 23:46:15 +010043#define flush_tlb_page(vma, page) local_flush_tlb_page(vma, page)
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#define flush_tlb_one(vaddr) local_flush_tlb_one(vaddr)
45
46#endif /* CONFIG_SMP */
47
Linus Torvalds1da177e2005-04-16 15:20:36 -070048#endif /* __ASM_TLBFLUSH_H */