Function report |
Source Code:mm\khugepaged.c |
Create Date:2022-07-28 16:06:24 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:__collapse_huge_page_copy
Proto:static void __collapse_huge_page_copy(pte_t *pte, struct page *page, struct vm_area_struct *vma, unsigned long address, spinlock_t *ptl)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
pte_t * | pte | |
struct page * | page | |
struct vm_area_struct * | vma | |
unsigned long | address | |
spinlock_t * | ptl |
652 | When _pte < pte + HPAGE_PMD_NR cycle |
657 | If pte_none(pteval) || is_zero_pfn(pte_pfn(pteval)) Then |
660 | If is_zero_pfn(pte_pfn(pteval)) Then |
670 | spin_unlock(ptl) |
672 | Else |
674 | copy_user_highpage(page, src_page, address, vma) |
675 | VM_BUG_ON_PAGE(page_mapcount(src_page) != 1, src_page) |
676 | release_pte_page(src_page) |
689 | spin_unlock(ptl) |
Name | Describe |
---|---|
collapse_huge_page |
Source code conversion tool public plug-in interface | X |
---|---|
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |