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 16:28:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:find_vmap_area

函数原型:static struct vmap_area *find_vmap_area(unsigned long addr)

返回类型:struct vmap_area

参数:

类型参数名称
unsigned longaddr
1396  加自旋锁
1397  va等于__find_vmap_area(addr)
1398  自旋锁解锁
1400  返回:va
调用者
名称描述
vm_unmap_ramvm_unmap_ram - unmap linear kernel address space set up by vm_map_ram*@mem: the pointer returned by vm_map_ram*@count: the count passed to that vm_map_ram call (cannot unmap partial)
find_vm_aread_vm_area - find a continuous kernel virtual area*@addr: base address* Search for the kernel VM area starting at @addr, and return it