Function report |
Source Code:mm\huge_memory.c |
Create Date:2022-07-28 16:02:48 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:unmap_page
Proto:static void unmap_page(struct page *page)
Type:void
Parameter:
Type | Parameter | Name |
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struct page * | page |
2413 | ttu_flags = ignore mlock | don't age | do not grab rmap lock: * caller holds it | split huge PMD if any |
2417 | VM_BUG_ON_PAGE(!PageHead(page), page) |
2419 | If PageAnon(page) Then ttu_flags |= freeze pte under splitting thp |
2423 | VM_BUG_ON_PAGE(!unmap_success, page) |
Name | Describe |
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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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