Re: [PATCH 1/1] lib: do limited memory accounting for modules with ARCH_NEEDS_WEAK_PER_CPU

From: Andrew Morton
Date: Wed Apr 03 2024 - 17:57:27 EST


On Tue, 2 Apr 2024 11:09:33 -0700 Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:

> ARCH_NEEDS_WEAK_PER_CPU does not allow percpu variable definitions inside
> a function, therefore memory allocation profiling can't use it. This
> definition is used only for modules, so we still can account core kernel
> allocations and for modules we can do limited allocation accounting by
> charging all of them to a single counter. This is not ideal but better

I'll queue this as a to-be-squashed fix against "lib: add allocation
tagging support for memory allocation profiling", OK?