函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\power\snapshot.c Create Date:2022-07-27 11:00:22
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__get_safe_page

函数原型：static void *__get_safe_page(gfp_t gfp_mask)

返回类型：void

参数：

类型参数名称
gfp_tgfp_mask
177  如果List of "safe" pages (ie. pages that were not used by the image kernel* before hibernation) that may be used as temporary storage for image kernel* memory contents.则
178  ret等于List of "safe" pages (ie. pages that were not used by the image kernel* before hibernation) that may be used as temporary storage for image kernel* memory contents.
180  List of "safe" pages (ie. pages that were not used by the image kernel* before hibernation) that may be used as temporary storage for image kernel* memory contents.等于next
181  memset(ret, 0, PAGE_SIZE)
182  返回:ret
184  返回:get_image_page - Allocate a page for a hibernation image
调用者
名称描述
get_safe_page
chain_alloc