Messages in this thread | | | Date | Thu, 4 Dec 2014 15:56:22 +0900 | From | Joonsoo Kim <> | Subject | Re: [PATCH v3 6/8] mm/page_owner: keep track of page owners |
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On Wed, Dec 03, 2014 at 06:54:08PM +0530, Chintan Pandya wrote: > Hi Kim,
Hello, Chintan.
> > This is really useful stuff that you are doing. And the runtime > allocation for storing page owner stack is a good call. > > Along with that, we also use extended version of the original > page_owner patch. The extension is, to store stack trace at the time > of freeing the page. That will indeed eat up space like anything > (just double of original page_owner) but it helps in debugging some > crucial issues. Like, illegitimate free, finding leaked pages (if we
Sound really interesting. I hope to see it.
> store their time stamps) etc. The same has been useful in finding > double-free cases in drivers. But we have never got a chance to > upstream that. Now that these patches are being discussed again, do > you think it would be good idea to integrate in the same league of > patches ?
Good to hear. I think that you can upstream it separately. If you send the patch, I will review it and help to merge it.
Thanks.
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