函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\sparse.c Create Date:2022-07-27 17:07:41
Last Modify:2020-03-17 22:36:03 Copyright©Brick
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函数名称：sparse_early_usemaps_alloc_pgdat_section

函数原型：static struct *__init sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat, unsigned long size)

返回类型：struct

参数：

类型参数名称
struct pglist_data *pgdat
unsigned longsize
430  返回:memblock_alloc_node(size, SMP_CACHE_BYTES, 全局结点ID)
调用者
名称描述
sparse_init_nidInitialize sparse on a specific node. The node spans [pnum_begin, pnum_end)* And number of present sections in this node is map_count.