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 16:25:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：page_add_anon_rmap - add pte mapping to an anonymous page*@page: the page to add the mapping to*@vma: the vm area in which the mapping is added*@address: the user virtual address mapped*@compound: charge the page as compound or small page* The caller

函数原型：void page_add_anon_rmap(struct page *page, struct vm_area_struct *vma, unsigned long address, bool compound)

返回类型：void

参数：

类型参数名称
struct page *page
struct vm_area_struct *vma
unsigned longaddress
boolcompound
1110  Special version of the above for do_swap_page, which often runs* into pages that are exclusively owned by the current process.* Everybody else should continue to use page_add_anon_rmap above.
调用者
名称描述
unuse_pteNo need to decide whether this PTE shares the swap entry with others,* just let do_wp_page work it out if a write is requested later - to* force COW, vm_page_prot omits write permission from any private vma.
replace_pageplace_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
remove_migration_pteRestore a potential migration pte to a working pte entry