This source file includes following definitions.
- __tlb_remove_table
- tlb_flush
- __pte_free_tlb
- __pmd_free_tlb
- __pud_free_tlb
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8 #ifndef __ASM_TLB_H
9 #define __ASM_TLB_H
10
11 #include <linux/pagemap.h>
12 #include <linux/swap.h>
13
14 static inline void __tlb_remove_table(void *_table)
15 {
16 free_page_and_swap_cache((struct page *)_table);
17 }
18
19 #define tlb_flush tlb_flush
20 static void tlb_flush(struct mmu_gather *tlb);
21
22 #include <asm-generic/tlb.h>
23
24 static inline void tlb_flush(struct mmu_gather *tlb)
25 {
26 struct vm_area_struct vma = TLB_FLUSH_VMA(tlb->mm, 0);
27 bool last_level = !tlb->freed_tables;
28 unsigned long stride = tlb_get_unmap_size(tlb);
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33
34
35 if (tlb->fullmm) {
36 if (!last_level)
37 flush_tlb_mm(tlb->mm);
38 return;
39 }
40
41 __flush_tlb_range(&vma, tlb->start, tlb->end, stride, last_level);
42 }
43
44 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
45 unsigned long addr)
46 {
47 pgtable_pte_page_dtor(pte);
48 tlb_remove_table(tlb, pte);
49 }
50
51 #if CONFIG_PGTABLE_LEVELS > 2
52 static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
53 unsigned long addr)
54 {
55 struct page *page = virt_to_page(pmdp);
56
57 pgtable_pmd_page_dtor(page);
58 tlb_remove_table(tlb, page);
59 }
60 #endif
61
62 #if CONFIG_PGTABLE_LEVELS > 3
63 static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp,
64 unsigned long addr)
65 {
66 tlb_remove_table(tlb, virt_to_page(pudp));
67 }
68 #endif
69
70 #endif