Function report |
Source Code:mm\rmap.c |
Create Date:2022-07-28 14:56:44 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:page_remove_rmap - take down pte mapping from a page*@page: page to remove mapping from*@compound: uncharge the page as compound or small page* The caller needs to hold the pte lock.
Proto:void page_remove_rmap(struct page *page, bool compound)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct page * | page | |
bool | compound |
1329 | If Not PageAnon(page) Then Return page_remove_file_rmap(page, compound) |
1332 | If compound Then Return page_remove_anon_compound_rmap(page) |
1336 | If Not atomic_add_negative( - 1, & * If the page can be mapped to userspace, encodes the number * of times this page is referenced by a page table.) Then Return |
1346 | If Value for the false possibility is greater at compile time(PageMlocked(page)) Then LRU accounting for clear_page_mlock() |
Name | Describe |
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zap_pte_range | |
wp_page_copy | Handle the case of a page which we actually need to copy to a new page.* Called with mmap_sem locked and the old page referenced, but* without the ptl held.* High level logic flow:* - Allocate a page, copy the content of the old page to the new one. |
try_to_unmap_one | @arg: enum ttu_flags will be passed to this argument |
__unmap_hugepage_range | |
hugetlb_cow | Hugetlb_cow() should be called with page lock of the original hugepage held.* Called with hugetlb_instantiation_mutex held and pte_page locked so we* cannot race with other handlers or page migration. |
replace_page | place_page - replace page in vma by new ksm page*@vma: vma that holds the pte pointing to page*@page: the page we are replacing by kpage*@kpage: the ksm page we replace page by*@orig_pte: the original value of the pte |
do_huge_pmd_wp_page_fallback | |
do_huge_pmd_wp_page | |
zap_huge_pmd | |
__split_huge_pmd_locked | |
__collapse_huge_page_copy |
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