Re: [PATCH] mm, slab: don't wrap internal functions with alloc_hooks()

[Vlastimil Babka]

On 5/25/24 1:26 AM, Kees Cook wrote:
> On Wed, May 22, 2024 at 11:50:37AM +0200, Vlastimil Babka wrote:
>> The functions __kmalloc_noprof(), kmalloc_large_noprof(),
>> kmalloc_trace_noprof() and their _node variants are all internal to the
>> implementations of kmalloc_noprof() and kmalloc_node_noprof() and are
>> only declared in the "public" slab.h and exported so that those
>> implementations can be static inline and distinguish the build-time
>> constant size variants. The only other users for some of the internal
>> functions are slub_kunit and fortify_kunit tests which make very
>> short-lived allocations.
> 
> If it's only internal, I'm happy to drop it from fortify_kunit.

Yeah, looks like you already have static and dynamic size parameter variants
of the tests so testing kmalloc() will call __kmalloc_noprof() in the
dynamic case (ditto _node variant) and is the best way to exercise that. So
So in v2 I will drop those from fortify_kunit instead of adjusting names.

> -Kees
>