Re: [PATCH 2/2] alloc_tag: skip pgalloc_tag_swap if profiling is disabled

[Andrew Morton]

On Thu, 26 Dec 2024 13:16:39 -0800 Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:

> When memory allocation profiling is disabled, there is no need to swap
> allocation tags during migration. Skip it to avoid unnecessary overhead.
> 
> Fixes: e0a955bf7f61 ("mm/codetag: add pgalloc_tag_copy()")
> Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Are these changes worth backporting?  Some indication of how much
difference the patches make would help people understand why we're
proposing a backport.