Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\sys_x86_64.c Create Date:2022-07-28 07:42:08
Last Modify:2022-05-18 16:45:21 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Align a virtual address to avoid aliasing in the I$ on AMD F15h.

Proto:static unsigned long get_align_mask(void)

Type:unsigned long

Parameter:Nothing

33  If flags < 0 || Not (flags & 2 - True on X86_32 or when emulating IA32 on X86_64 ) Then Return 0
36  If Not (flags & Randomize virtual address space ) Then Return 0
39  Return mask
Caller
NameDescribe
get_align_bitsTo avoid aliasing in the I$ on AMD F15h, the bits defined by the* va_align.bits, [12:upper_bit), are set to a random value instead of* zeroing them. This random value is computed once per boot. This form* of ASLR is known as "per-boot ASLR".
align_vdso_addr
arch_get_unmapped_area
arch_get_unmapped_area_topdown