it sounds plausible. The reason i replied is that i saw this patch
pop up freshly with a lot of MM signoffs. There's been a few weird
instrumentation patches from -mm to mainline lately so i'm more
A [not-for-upstream] tag would be useful for such cases.
it popped up new. And i commented on it a few months ago.
You can build a full map from scratch as well via:
echo 3 > /proc/sys/vm/drop_caches
Anything that is not flushed out by that is probably not that
interesting from a tracking perspective.
Yeah - i've added tracing Cc:s.
There's a proposed set of MM tracepoints by Jason Baron. Not sure
how far it got in terms of getting Ack's and Reviewed-by's from MM
And this info could be added to that, and it would sure be nice to
hook it up to kmemtrace primarily, which does a lot of similar
looking work in the slab space. (but Eduard and Pekka will know how
feasible/interesting this is to them.)