函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\vmalloc.c Create Date:2022-07-27 16:30:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：free_vm_area

函数原型：void free_vm_area(struct vm_struct *area)

返回类型：void

参数：

类型参数名称
struct vm_struct *area
3185  ret等于move_vm_area - find and remove a continuous kernel virtual area*@addr: base address* Search for the kernel VM area starting at @addr, and remove it.* This function returns the found VM area, but using it is NOT safe
3186  BUG_ON(ret != area)
3187  释放内存
调用者
名称描述
alloc_vm_areaalloc_vm_area - allocate a range of kernel address space*@size: size of the area*@ptes: returns the PTEs for the address space* Returns: NULL on failure, vm_struct on success* This function reserves a range of kernel address space, and