I found that clang compiled code was requiring more memory on the stack than the same code compiling with gcc. Was it some obscure switch that did that? no ide

I found that clang compiled code was requiring more memory on the stack than the same code compiling with gcc. Was it some obscure switch that did that? no idea. However with the Linux kernel you have some tight limitations with regard to stack size. Could the author run his clang compiled kernel? The article does not tell.