Re: [PATCH v3 11/19] unwind: Add deferred user space unwinding API

[Josh Poimboeuf]

On Thu, Oct 31, 2024 at 04:28:08PM -0700, Andrii Nakryiko wrote:
> So all task_structs on the system using 104 bytes more, *permanently*

Either way it's permanent, we don't know when to free it until the task
struct is freed...

> and *unconditionally*, is not a concern

Of course it's a concern, that's why we're looking for something
better...

> but lazy GFP_ATOMIC allocation when you actually need it is?

We don't want to dip into the GFP_ATOMIC emergency reserves, those are
kept for more important things.

Actually, I think I can just use GFP_NOWAIT here.

-- 
Josh