Re: [PATCH v3 18/37] mm: Add guard pages around a shadow stack.

On Tue, Nov 15, 2022 at 08:40:19PM +0000, Edgecombe, Rick P wrote:

quoted

quoted

+unsigned long __weak stack_guard_start_gap(struct vm_area_struct
*vma)
+{
+     if (vma->vm_flags & VM_GROWSDOWN)
+             return stack_guard_gap;
+     return 0;
+}

I'm thinking perhaps this wants to be an inline function?

I don't think it can work with weak then.

That was kinda the point, __weak sucks and this is very small in any
case.