kernelconfig_penguin
CONFIG_APP_STACK_L1 is not available for the default architecture x86.
Result is shown for architecture blackfin
depends
NOT CONFIG_SMP

Support locating application stack in L1 Scratch Memory

configname: CONFIG_APP_STACK_L1

Linux Kernel Configuration
└─> Blackfin Processor Options
└─> Blackfin Kernel Optimizations
└─> Support locating application stack in L1 Scratch Memory

If enabled the application stack can be located in L1
scratch memory (less latency).

Currently only works with FLAT binaries.