Function report |
Source Code:mm\mapping_dirty_helpers.c |
Create Date:2022-07-28 16:38:20 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:wp_clean_pre_vma - The pagewalk pre_vma callback.* The pre_vma callback performs the cache flush, stages the tlb flush* and calls the necessary mmu notifiers.
Proto:static int wp_clean_pre_vma(unsigned long start, unsigned long end, struct mm_walk *walk)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| unsigned long | start | |
| unsigned long | end | |
| struct mm_walk * | walk |
| 151 | tlbflush_start = end |
| 152 | tlbflush_end = start |
| 154 | mmu_notifier_range_init( & range, MMU_NOTIFY_PROTECTION_PAGE, 0, vma, mm, start, end) |
| 157 | flush_cache_range(vma, start, end) |
| 164 | inc_tlb_flush_pending(mm) |
| 166 | Return 0 |
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