Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\setup.c Create Date:2022-07-28 07:39:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:reserve_brk

Proto:static void __init reserve_brk(void)

Type:void

Parameter:Nothing

288  If _brk_end > _brk_start Then memblock_reserve(We need __phys_reloc_hide() here because gcc may assume that there is no* overflow during __pa() calculation and can optimize it unexpectedly.* Newer versions of gcc provide -fno-strict-overflow switch to handle this* case properly(_brk_start), _brk_end - _brk_start)
294  _brk_start = 0
Caller
NameDescribe
setup_archsetup_arch - architecture-specific boot-time initializations* Note: On x86_64, fixmaps are ready for use even before this is called.