函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\rmap.c Create Date:2022-07-27 16:26:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Like rmap_walk, but caller holds relevant rmap lock

函数原型：void rmap_walk_locked(struct page *page, struct rmap_walk_control *rwc)

返回类型：void

参数：

类型参数名称
struct page *page
struct rmap_walk_control *rwc
1945  VM_BUG_ON_PAGE(A KSM page is one of those write-protected "shared pages" or "merged pages"* which KSM maps into multiple mms, wherever identical anonymous page content* is found in VM_MERGEABLE vmas. It's a PageAnon page, pointing not to any, page)
1946  如果PageAnon(page)则map_walk_anon - do something to anonymous page using the object-based* rmap method*@page: the page to be handled*@rwc: control variable according to each walk type* Find all the mappings of a page using the mapping pointer and the vma chains
1948  否则map_walk_file - do something to file page using the object-based rmap method*@page: the page to be handled*@rwc: control variable according to each walk type* Find all the mappings of a page using the mapping pointer and the vma chains
调用者
名称描述
try_to_unmapry_to_unmap - try to remove all page table mappings to a page*@page: the page to get unmapped*@flags: action and flags* Tries to remove all the page table entries which are mapping this* page, used in the pageout path. Caller must hold the page lock.
remove_migration_ptesGet rid of all migration entries and replace them by* references to the indicated page.