My Oracle Support Banner

Oracle Linux 5: Memory Used by VMware Balloon Driver Is Not Visible On O/S (Doc ID 2270987.1)

Last updated on MAY 20, 2020

Applies to:

Linux OS - Version Oracle Linux 5.11 with Unbreakable Enterprise Kernel [2.6.39] and later
Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.


On a VMware platform, the memory information shown in the /proc/meminfo file did not account for all memory. The memory appears to be missing even after the applications had been stopped.

Testing on similar configurations appear normal.

Below is an example showing this behavior:

Almost 50GB of memory looks missing.





To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.