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 16:41:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__free_memory_core

函数原型：static unsigned long __init __free_memory_core(phys_addr_t start, phys_addr_t end)

返回类型：unsigned long

参数：

类型参数名称
phys_addr_tstart
phys_addr_tend
1950  start_pfn等于PFN_UP(start)
1951  end_pfn等于min_t - return minimum of two values, using the specified type*@type: data type to use*@x: first value*@y: second value(unsignedlong, PFN_DOWN(end), max_low_pfn)
1954  如果start_pfn大于等于end_pfn则返回:0
1957  __free_pages_memory(start_pfn, end_pfn)
1959  返回:end_pfn减start_pfn
调用者
名称描述
free_low_memory_core_early