Re: [PATCH v2 2/2] slab: Remove special-casing of const 0 size allocations

From: Vlastimil Babka
Date: Mon Nov 21 2022 - 04:28:40 EST


On 11/18/22 18:06, Kees Cook wrote:
> On Fri, Nov 18, 2022 at 12:34:01PM +0100, Vlastimil Babka wrote:
>> On 11/18/22 04:51, Kees Cook wrote:
>> > Passing a constant-0 size allocation into kmalloc() or kmalloc_node()
>> > does not need to be a fast-path operation, so the static return value
>> > can be removed entirely. This is in preparation for making sure that
>> > all paths through the inlines result in a full extern function call,
>>
>> So with the kmalloc_trace() already solved, we could now say it's not "in
>> preparation", but simply "makes sure", right? I can correct that while
>> picking this patch.
>
> Yeah, good point. I missed this when updating the commit logs. Thanks!

Great, pushed to slab/for-6.2/alloc_size