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 16:29:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：get_vm_area - reserve a contiguous kernel virtual area*@size: size of the area*@flags: %VM_IOREMAP for I/O mappings or VM_ALLOC* Search an area of @size in the kernel virtual mapping area,* and reserved it for out purposes. Returns the area descriptor

函数原型：struct vm_struct *get_vm_area(unsigned long size, unsigned long flags)

返回类型：struct vm_struct

参数：

类型参数名称
unsigned longsize
unsigned longflags
2151  返回:__get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END, NUMA_NO_NODE, GFP_KERNEL, __builtin_return_address(0))