Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_ext.c Create Date:2022-07-28 16:32:36
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:invoke_need_callbacks

Proto:static bool __init invoke_need_callbacks(void)

Type:bool

Parameter:Nothing

77  entries = ARRAY_SIZE - get the number of elements in array @arr*@arr: array to be sized(struct page extension* This is the feature to manage memory for extended data per page.* Until now, we must modify struct page itself to store extra data per page.* This requires rebuilding the kernel and it is really time consuming process.)
78  bool need = false
80  When i < entries cycle
81  If need && need() Then
82  offset = page_ext_size
83  page_ext_size += size
84  need = true
88  Return need
Caller
NameDescribe
page_ext_init_flatmem