HugePages on Linux: What It Is... and What It Is Not...
(Doc ID 361323.1)
Last updated on JUNE 30, 2020
Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Cloud Infrastructure - Database Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Oracle Database Cloud Schema Service - Version N/A and later Linux x86 IBM: Linux on System z IBM S/390 Based Linux (31-bit) IBM: Linux on POWER Big Endian Systems Linux x86-64 Linux Itanium
This document describes the HugePages feature in the Linux kernel available for 32-bit and 64-bit architectures. There has been some confusion among the terms and uses related to HugePages. This document should clarify the misconceptions about the feature.
Information in this document is useful for Linux system administrators and Oracle database administrators working with system administrators.
This document covers information about HugePages concept that applies to very large memory (VLM) (>= 4GB) systems for 32-bit and 64-bit architectures including some configuration information and references.
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