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From:   Kent Overstreet <kent.overstreet@linux.dev>
To:     Michal Hocko <mhocko@suse.com>
Cc:     Suren Baghdasaryan <surenb@google.com>,
        Mel Gorman <mgorman@suse.de>,
        Peter Zijlstra <peterz@infradead.org>,
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        Roman Gushchin <roman.gushchin@linux.dev>,
        Davidlohr Bueso <dave@stgolabs.net>,
        Matthew Wilcox <willy@infradead.org>,
        "Liam R. Howlett" <liam.howlett@oracle.com>,
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Subject: Re: [RFC PATCH 00/30] Code tagging framework and applications
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On Mon, Sep 05, 2022 at 10:49:38AM +0200, Michal Hocko wrote:
> This is really my main concern about this whole work. Not only it adds a
> considerable maintenance burden to the core MM because

[citation needed]

> it adds on top of
> our existing allocator layers complexity but it would need to spread beyond
> MM to be useful because it is usually outside of MM where leaks happen.

If you want the tracking to happen at a different level of the call stack, just
call _kmalloc() directly and call alloc_tag_add()/sub() yourself.