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Lower Zone Protection on EL4/5 (Doc ID 842886.1)

Last updated on AUGUST 04, 2018

Applies to:

Linux OS - Version 2.6 and later
Linux x86-64
Linux x86
Linux Kernel - Version: 2.6


Goal

This note introduces the lower zone protection in the virtual memory management system on Enterprise Linux 4/5. This note could be used as a reference for system administrator to configure the lower zone protection feature when dealing with LowMem issues.

Solution

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In this Document
Goal
Solution
 How to configure vm.lower_zone_protecion
 lower_zone_protection for Hugemem kernel
 lower_zone_protecton on x86_64
 lower_zone_protection on RHEL5/EL5
 Example
References

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