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 16:38:02
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Only struct pages that are backed by physical memory are zeroed and* initialized by going through __init_single_page()

函数原型：void __init zero_resv_unavail(void)

返回类型：void

参数：无

6931  next等于0
6936  pgcnt等于0
6939  如果next小于start则pgcnt加等于Zero all valid struct pages in range [spfn, epfn), return number of struct* pages zeroed
6941  next等于end
6951  pgcnt加等于Zero all valid struct pages in range [spfn, epfn), return number of struct* pages zeroed
6958  如果pgcnt则打印信息("Zeroed struct page in unavailable ranges: %lld pages", pgcnt)
调用者
名称描述
free_area_init