Messages in this thread | | | Date | Fri, 13 Apr 2007 10:46:10 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH 0/13] maps: pagemap, kpagemap, and related cleanups |
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On Fri, Apr 13, 2007 at 06:25:46PM +1000, Nick Piggin wrote: > But at least make it into its own module with a debugfs interface or > something. I mean, exposing a PG_name-to-nr and page count pfn and flags > as a supposedly formal proc interface doesn't sound nice to me. Page > flags does not tell you what is going on in the VM, it gives you a tiny > window into "something". Between reading a /proc/pid/ pfn and finding > the pfn's page flags, it could be used for something completely different > anyway.
I agree that exposing numerical values of page flags is not a very good idea at all. If we really want to expose this information it should at least be in string form, although that is quite a bit of a maintaince horror aswell.
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