函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\memblock.c Create Date:2022-07-27 16:41:19
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：memblock_is_region_reserved

函数原型：bool __attribute__((__section__(".meminit.text"))) __attribute__((__cold__)) __attribute__((__no_instrument_function__))memblock_is_region_reserved(phys_addr_t base, phys_addr_t size)

返回类型：bool

参数：

类型参数名称
phys_addr_tbase
phys_addr_tsize
1839  adjust *@size so that (@base + *@size) doesn't overflow, return new size
1840  返回:memblock_overlaps_region( & reserved, base, size)
调用者
名称描述
cma_init_reserved_memma_init_reserved_mem() - create custom contiguous area from reserved memory*@base: Base address of the reserved area*@size: Size of the reserved area (in bytes),*@order_per_bit: Order of pages represented by one bit on bitmap.*@name: The name of the area
cma_declare_contiguousma_declare_contiguous() - reserve custom contiguous area*@base: Base address of the reserved area optional, use 0 for any*@size: Size of the reserved area (in bytes),*@limit: End address of the reserved memory (optional, 0 for any)