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 16:41:02
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：memblock_alloc_try_nid - allocate boot memory block*@size: size of memory block to be allocated in bytes*@align: alignment of the region and block's size*@min_addr: the lower bound of the memory region from where the allocation* is preferred (phys

函数原型：void *__init memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, phys_addr_t min_addr, phys_addr_t max_addr, int nid)

返回类型：void

参数：

类型参数名称
phys_addr_tsize
phys_addr_talign
phys_addr_tmin_addr
phys_addr_tmax_addr
intnid
1588  ptr等于memblock_alloc_internal - allocate boot memory block*@size: size of memory block to be allocated in bytes*@align: alignment of the region and block's size*@min_addr: the lower bound of the memory region to allocate (phys address)*@max_addr: the upper
1590  如果ptr则memset(ptr, 0, size)
1593  返回:ptr
调用者
名称描述
early_alloc
alloc_node_page_ext