Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\page_alloc.c Create Date:2022-07-28 15:07:52
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Only struct pages that are backed by physical memory are zeroed and* initialized by going through __init_single_page()

Proto:void __init zero_resv_unavail(void)

Type:void

Parameter:Nothing

6931  next = 0
6936  pgcnt = 0
6939  If next < start Then pgcnt += Zero all valid struct pages in range [spfn, epfn), return number of struct* pages zeroed
6941  next = end
6951  pgcnt += Zero all valid struct pages in range [spfn, epfn), return number of struct* pages zeroed
6958  If pgcnt Then pr_info("Zeroed struct page in unavailable ranges: %lld pages", pgcnt)
Caller
NameDescribe
free_area_init