> > +#define FPU_BYTES 4096U /* avoid kernel_fpu_begin/end scheduler/rcu stalls
> */
>
> Declare this inside the function it's used as an untyped enum, and give
> it a better name, like BYTES_PER_FPU.
I agree that's a better name, and will use something like that depending
on how other discussions go. I was trying to keep it as a one-line change
within 80 characters, expecting some churn before it's finalized.