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

On Thu, 26 Dec 2024 13:16:39 -0800 Suren Baghdasaryan surenb@google.com 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@google.com Cc: stable@vger.kernel.org

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