Function report |
Source Code:include\linux\mm.h |
Create Date:2022-07-28 05:43:27 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:compound_mapcount
Proto:static inline int compound_mapcount(struct page *page)
Type:int
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct page * | page |
| 685 | VM_BUG_ON_PAGE(!PageCompound(page), page) |
| 686 | page = compound_head(page) |
| 687 | Return atomic_read(compound_mapcount_ptr(page)) + 1 |
| Name | Describe |
|---|---|
| shrink_page_list | shrink_page_list() returns the number of reclaimed pages |
| __dump_page | |
| free_tail_pages_check | |
| page_trans_huge_map_swapcount | |
| follow_trans_huge_pmd | |
| __split_huge_pmd_locked | |
| total_mapcount | |
| page_trans_huge_mapcount | This calculates accurately how many mappings a transparent hugepage* has (unlike page_mapcount() which isn't fully accurate) |
| split_huge_page_to_list | This function splits huge page into normal pages. @page can point to any* subpage of huge page to split. Split doesn't change the position of @page.* Only caller must hold pin on the @page, otherwise split fails with -EBUSY.* The huge page must be locked. |
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|---|---|
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