engineering management sjsu

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Introduction to Linux Kernel Engineering--memory Management (III)

Bydefault. VDSO is a virtual DSO (dynamic shared object) exposed by the kernel atsome address in every process ' memory. It ' s purpose is to the speed up systemcalls. The mapping address used to is fixed (0xffffe000), but starting with2.6.18 it's randomized (besides the security Implicati ONS, this also helpsdebuggersRelated system invoke API related kernel call Apilinux Performance tool performance monitoring toolPerformance testing ToolsPerformance optimization Tools Copyright NOTICE: This a

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