Oracle Linux: An Example of Using Ftrace to Troubleshoot Possible Slab Leak.
(Doc ID 2791001.1)
Last updated on AUGUST 22, 2021
Applies to:Linux OS - Version Oracle Linux 6.0 and later
Sometimes the OOM(Out Of Memory) error in Linux system has something to do with Slab leak. See below output from /proc/slabinfo,
It is very likely there is slab usage leak for slao cache of kmalloc-4096.
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