From: Andi Kleen <ak@suse.de>
To: "Albert Cahalan" <acahalan@gmail.com>
Cc: linux-kernel@vger.kernel.org, rohitseth@google.com,
akpm@osdl.org, Linux-mm@kvack.org, arjan@infradead.org,
jengelh@linux01.gwdg.de
Subject: Re: [PATCH]: Adding a counter in vma to indicate the number of physical_pages_backing it
Date: Tue, 13 Jun 2006 07:56:52 +0200 [thread overview]
Message-ID: <200606130756.52669.ak@suse.de> (raw)
In-Reply-To: <787b0d920606122253o4f1a9e18x1ca49c3ce005696f@mail.gmail.com>
On Tuesday 13 June 2006 07:53, Albert Cahalan wrote:
> Quoting two different people:
>
> > BTW, what is smaps used for (who uses it), anyway?
> ...
> > smaps is only a debugging kludge anyways and it's
> > not a good idea to we bloat core data structures for it.
>
> I'd be using it in procps for the pmap command if it
> were not so horribly nasty. I may eventually get around
> to using it, but maybe it's just too gross to tolerate.
I agree it's pretty ugly.
But pmap I would consider a debugging kludge too - it should
work when someone needs it, but it doesn't need to be particularly
fast.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <ak@suse.de>
To: Albert Cahalan <acahalan@gmail.com>
Cc: linux-kernel@vger.kernel.org, rohitseth@google.com,
akpm@osdl.org, Linux-mm@kvack.org, arjan@infradead.org,
jengelh@linux01.gwdg.de
Subject: Re: [PATCH]: Adding a counter in vma to indicate the number of physical_pages_backing it
Date: Tue, 13 Jun 2006 07:56:52 +0200 [thread overview]
Message-ID: <200606130756.52669.ak@suse.de> (raw)
In-Reply-To: <787b0d920606122253o4f1a9e18x1ca49c3ce005696f@mail.gmail.com>
On Tuesday 13 June 2006 07:53, Albert Cahalan wrote:
> Quoting two different people:
>
> > BTW, what is smaps used for (who uses it), anyway?
> ...
> > smaps is only a debugging kludge anyways and it's
> > not a good idea to we bloat core data structures for it.
>
> I'd be using it in procps for the pmap command if it
> were not so horribly nasty. I may eventually get around
> to using it, but maybe it's just too gross to tolerate.
I agree it's pretty ugly.
But pmap I would consider a debugging kludge too - it should
work when someone needs it, but it doesn't need to be particularly
fast.
-Andi
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next prev parent reply other threads:[~2006-06-13 5:57 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-13 5:53 [PATCH]: Adding a counter in vma to indicate the number of physical_pages_backing it Albert Cahalan
2006-06-13 5:53 ` Albert Cahalan
2006-06-13 5:56 ` Andi Kleen [this message]
2006-06-13 5:56 ` Andi Kleen
2006-06-13 17:10 ` Rohit Seth
2006-06-13 17:10 ` Rohit Seth
2006-06-13 17:18 ` Andi Kleen
2006-06-13 17:18 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2006-06-10 1:33 [PATCH]: Adding a counter in vma to indicate the number of physical pages backing it Rohit Seth
2006-06-10 1:33 ` Rohit Seth
2006-06-10 2:42 ` Andrew Morton
2006-06-10 2:42 ` Andrew Morton
2006-06-12 17:49 ` Rohit Seth
2006-06-12 17:49 ` Rohit Seth
2006-06-10 7:35 ` Nick Piggin
2006-06-10 7:35 ` Nick Piggin
2006-06-11 10:15 ` Jan Engelhardt
2006-06-11 10:15 ` Jan Engelhardt
2006-06-12 17:36 ` Rohit Seth
2006-06-12 17:36 ` Rohit Seth
2006-06-12 17:58 ` Andi Kleen
2006-06-12 17:58 ` Andi Kleen
2006-06-12 19:42 ` Rohit Seth
2006-06-12 19:42 ` Rohit Seth
2006-06-13 3:51 ` Andi Kleen
2006-06-13 3:51 ` Andi Kleen
2006-06-13 4:27 ` Nick Piggin
2006-06-13 4:27 ` Nick Piggin
2006-06-13 16:59 ` Rohit Seth
2006-06-13 16:59 ` Rohit Seth
2006-06-13 17:28 ` Hugh Dickins
2006-06-13 17:28 ` Hugh Dickins
2006-06-13 18:09 ` Rohit Seth
2006-06-13 18:09 ` Rohit Seth
2006-06-13 17:31 ` Andi Kleen
2006-06-13 17:31 ` Andi Kleen
2006-06-11 16:09 ` Arjan van de Ven
2006-06-11 16:09 ` Arjan van de Ven
2006-06-12 11:17 ` Andi Kleen
2006-06-12 11:17 ` Andi Kleen
2006-06-12 12:49 ` Jan Engelhardt
2006-06-12 12:49 ` Jan Engelhardt
2006-06-12 12:54 ` Andi Kleen
2006-06-12 12:54 ` Andi Kleen
2006-06-12 16:43 ` Christoph Lameter
2006-06-12 16:43 ` Christoph Lameter
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