函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\mm.h Create Date:2022-07-27 06:44:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：Look up the first VMA which intersects the interval start_addr..end_addr-1,NULL if none. Assume start_addr < end_addr.

函数原型：static inline struct vm_area_struct *find_vma_intersection(struct mm_struct *mm, unsigned long start_addr, unsigned long end_addr)

返回类型：struct vm_area_struct

参数：

类型参数名称
struct mm_struct *mm
unsigned longstart_addr
unsigned longend_addr
2449  vma等于Look up the first VMA which satisfies addr < vm_end, NULL if none.
2451  如果vma且end_addr小于等于Our start address within vm_mm. 则vma = NULL
2453  返回:vma
调用者
名称描述
count_vma_pages_range
do_get_mempolicyRetrieve NUMA policy
get_vaddr_framesget_vaddr_frames() - map virtual addresses to pfns*@start: starting user address*@nr_frames: number of pages / pfns from start to map*@gup_flags: flags modifying lookup behaviour*@vec: structure which receives pages / pfns of the addresses mapped.
do_shmatFix shmaddr, allocate descriptor, map shm, add attach descriptor to lists.* NOTE! Despite the name, this is NOT a direct system call entrypoint. The* "raddr" thing points to kernel space, and there has to be a wrapper around* this.