tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _CRIS_TLBFLUSH_H
2#define _CRIS_TLBFLUSH_H
3
4#include <linux/config.h>
5#include <linux/mm.h>
6#include <asm/processor.h>
7#include <asm/pgtable.h>
8#include <asm/pgalloc.h>
9
10/*
11 * TLB flushing (implemented in arch/cris/mm/tlb.c):
12 *
13 * - flush_tlb() flushes the current mm struct TLBs
14 * - flush_tlb_all() flushes all processes TLBs
15 * - flush_tlb_mm(mm) flushes the specified mm context TLB's
16 * - flush_tlb_page(vma, vmaddr) flushes one page
17 * - flush_tlb_range(mm, start, end) flushes a range of pages
18 *
19 */
20
21extern void __flush_tlb_all(void);
22extern void __flush_tlb_mm(struct mm_struct *mm);
23extern void __flush_tlb_page(struct vm_area_struct *vma,
24 unsigned long addr);
25
26#ifdef CONFIG_SMP
27extern void flush_tlb_all(void);
28extern void flush_tlb_mm(struct mm_struct *mm);
29extern void flush_tlb_page(struct vm_area_struct *vma,
30 unsigned long addr);
31#else
32#define flush_tlb_all __flush_tlb_all
33#define flush_tlb_mm __flush_tlb_mm
34#define flush_tlb_page __flush_tlb_page
35#endif
36
37static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long start, unsigned long end)
38{
39 flush_tlb_mm(vma->vm_mm);
40}
41
42extern inline void flush_tlb_pgtables(struct mm_struct *mm,
43 unsigned long start, unsigned long end)
44{
45 /* CRIS does not keep any page table caches in TLB */
46}
47
48
49extern inline void flush_tlb(void)
50{
51 flush_tlb_mm(current->mm);
52}
53
54#define flush_tlb_kernel_range(start, end) flush_tlb_all()
55
56#endif /* _CRIS_TLBFLUSH_H */