From: Fengguang Wu <wfg@mail.ustc.edu.cn>
To: Matt Mackall <mpm@selenic.com>
Cc: Andrew Morton <akpm@osdl.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
David Rientjes <rientjes@google.com>,
John Berthels <jjberthels@gmail.com>,
Nick Piggin <nickpiggin@yahoo.com.au>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] maps: /proc/<pid>/pmaps interface - memory maps in granularity of pages
Date: Sat, 18 Aug 2007 18:31:46 +0800 [thread overview]
Message-ID: <387433106.08432@ustc.edu.cn> (raw)
Message-ID: <20070818103146.GA6744@mail.ustc.edu.cn> (raw)
In-Reply-To: <20070818064042.GQ30556@waste.org>
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 :)
next prev parent reply other threads:[~2007-08-18 10:31 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-16 22:05 [PATCH 0/4] process memory footprints in proc/<pid>/[s|p]maps Fengguang Wu
2007-08-16 22:05 ` Fengguang Wu
2007-08-16 22:05 ` [PATCH 1/4] maps: PSS(proportional set size) accounting in smaps Fengguang Wu
2007-08-16 22:05 ` Fengguang Wu
2007-08-17 2:13 ` Matt Mackall
2007-08-17 2:44 ` Fengguang Wu
2007-08-17 2:44 ` Fengguang Wu
2007-08-16 22:05 ` [PATCH 2/4] maps: address based vma walking Fengguang Wu
2007-08-16 22:05 ` Fengguang Wu
2007-08-17 2:16 ` Matt Mackall
2007-08-17 2:54 ` Fengguang Wu
2007-08-17 2:54 ` Fengguang Wu
2007-08-16 22:05 ` [PATCH 3/4] maps: introduce generic_maps_open() Fengguang Wu
2007-08-16 22:05 ` Fengguang Wu
2007-08-16 22:05 ` [PATCH 4/4] maps: /proc/<pid>/pmaps interface - memory maps in granularity of pages Fengguang Wu
2007-08-16 22:05 ` Fengguang Wu
2007-08-17 2:38 ` Matt Mackall
2007-08-17 3:44 ` Fengguang Wu
2007-08-17 3:44 ` Fengguang Wu
2007-08-17 3:56 ` Matt Mackall
2007-08-17 6:47 ` Fengguang Wu
2007-08-17 6:47 ` Fengguang Wu
2007-08-17 16:58 ` Matt Mackall
2007-08-18 2:48 ` Fengguang Wu
2007-08-18 2:48 ` Fengguang Wu
2007-08-18 6:40 ` Matt Mackall
2007-08-18 8:45 ` Fengguang Wu
2007-08-18 8:45 ` Fengguang Wu
2007-08-18 17:22 ` Matt Mackall
2007-08-19 0:40 ` Fengguang Wu
2007-08-19 0:40 ` Fengguang Wu
2007-08-18 10:31 ` Fengguang Wu [this message]
2007-08-18 10:31 ` Fengguang Wu
-- strict thread matches above, loose matches on Subject: below --
2007-08-19 7:54 [PATCH 0/4] process memory footprint info in proc/<pid>/[s|p]maps v2 Fengguang Wu
2007-08-19 7:54 ` [PATCH 4/4] maps: /proc/<pid>/pmaps interface - memory maps in granularity of pages Fengguang Wu
2007-08-19 7:54 ` Fengguang Wu
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