From: Andrew Morton People are adding `noinline' in various places to prevent excess stack consumption due to gcc inlining. But once this is done, it is quite unobvious why the `noinline' is present in the code. We can comment each and every site, or we can use noinline_for_stack. Signed-off-by: Andrew Morton --- include/linux/compiler.h | 6 ++++++ 1 file changed, 6 insertions(+) diff -puN include/linux/compiler.h~add-noinline_for_stack include/linux/compiler.h --- a/include/linux/compiler.h~add-noinline_for_stack +++ a/include/linux/compiler.h @@ -138,6 +138,12 @@ extern void __chk_io_ptr(const volatile #define noinline #endif +/* + * Rather then using noinline to prevent stack consumption, use + * noinline_for_stack instead. For documentaiton reasons. + */ +#define noinline_for_stack noinline + #ifndef __always_inline #define __always_inline inline #endif _