You would need to recompile the kernel to change the configuration. Some configurations are known incompatible with Ubuntu userspace: these are documented in the enforce file. Self-built kernels are typically not supported by Ubuntu Developers, so take care when building such kernels.
You would need to recompile the kernel to change the configuration. Some configurations are known incompatible with Ubuntu userspace: these are documented in the enforce file. Self-built kernels are typically not supported by Ubuntu Developers, so take care when building such kernels.
The documentation with the procedure you ought follow is at https://help.ubuntu.com/community/Kernel/Compile