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CONFIG_DEBUG_OBJECTS_FREE: Debug objects in freed memory

General informations

The Linux kernel configuration item CONFIG_DEBUG_OBJECTS_FREE:

prompt: Debug objects in freed memory
type: tristate
depends on: CONFIG_DEBUG_OBJECTS
defined in lib/Kconfig.debug
found in Linux Kernels: from 2.6.26 release still available on 2.6.34 release

Help text

This enables checks whether a k/v free operation frees an area which contains an object which has not been deactivated properly. This can make kmalloc/kfree-intensive workloads much slower.

Hardware

LKDDb

Raw data from LKDDb:

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Sources

Linux Kernel
Linux Kernel Driver DataBase (LKDDb)

Notes

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