Re: [PATCH] nvmet: Reorder fields in 'struct nvmet_ns'

[Jens Axboe]

On 4/27/23 4:59?PM, Chaitanya Kulkarni wrote:
> On 4/27/23 12:47, Christophe JAILLET wrote:
>> Group some variables based on their sizes to reduce holes.
>> On x86_64, this shrinks the size of 'struct nvmet_ns' from 520 to 512
>> bytes.
>>
> 
> Although this looks good, we at least need to document what
> happens on other arch(s) which are not mentioned in the
> commit log ? is there a possibility that someone might come
> up with the contradictory data in future for the arch(s) which
> arch that are not mentioned here ?

The change is certainly not going to make things _worse_ for any arch,
so I think that's somewhat of a pointless exercise and an unreasonable
ask for something that makes sense on 64-bit arm/x86 and saves half the
space.

-- 
Jens Axboe