On Wed, 19 Oct 2022 09:32:35 +0200, Rolf Eike Beer wrote: > I had a hard time trying to understand completely why it is using vm_end in > one side of the expression and vm_start in the other one, and using > something in the "if" clause that is not an exact copy of what is used > below. The whole point is that the stack_size variable that was used in the > "if" clause is the difference between vm_start and vm_end, which is not far > away but makes this thing harder to read than it must be. > > [...] Applied to for-next/execve, thanks! [1/1] fs/exec.c: simplify initial stack size expansion https://git.kernel.org/kees/c/bfb4a2b95875 -- Kees Cook