函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_alloc.c Create Date:2022-07-27 16:37:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：When CONFIG_HUGETLB_PAGE_SIZE_VARIABLE is not set, set_pageblock_order()* is unused as pageblock_order is set at compile-time. See* include/linux/pageblock-flags.h for the values of pageblock_order based on* the kernel config

函数原型：void __init set_pageblock_order(void)

返回类型：void

参数：无

NULL

调用者
名称描述
free_area_init_coreSet up the zone data structures:* - mark all pages reserved* - mark all memory queues empty* - clear the memory bitmaps* NOTE: pgdat should get zeroed by caller.* NOTE: this function is only called during early init.
sparse_initAllocate the accumulated non-linear sections, allocate a mem_map* for each and record the physical to section mapping.