Messages in this thread | | | Date | Sat, 18 Aug 2007 18:31:46 +0800 | From | Fengguang Wu <> | Subject | Re: [PATCH 4/4] maps: /proc/<pid>/pmaps interface - memory maps in granularity of pages |
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On Sat, Aug 18, 2007 at 01:40:42AM -0500, Matt Mackall wrote: > > > - you don't get page frame numbers > > > > True. I guess PFNs are meaningless to a normal user? > > They're useful for anyone who's trying to look at the system as a > whole.
To answer the question: "who are sharing this page with me"? PFNs are not the only option. The tuple dev/ino/offset can also uniquely identify the shared page :)
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