Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\sparse.c Create Date:2022-07-28 15:34:25
Last Modify:2020-03-17 22:36:03 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:section_map_size

Proto:static unsigned long __init section_map_size(void)

Type:unsigned long

Parameter:Nothing

442  Return @a is a power of 2 value (sizeof(structpage) * PAGES_PER_SECTION, PMD_SIZE)
Caller
NameDescribe
sparse_buffer_init
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.