From: Ethan Solomita <solo@google.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-mm@kvack.org
Subject: Re: meminfo returns inaccurate NR_FILE_PAGES
Date: Wed, 18 Apr 2007 12:39:29 -0700 [thread overview]
Message-ID: <462673F1.7070808@google.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0704181235090.7234@schroedinger.engr.sgi.com>
Christoph Lameter wrote:
> On Tue, 17 Apr 2007, Ethan Solomita wrote:
>
>
>> While you're busy correcting me, look in swap_state.c at
>> __add_to_swap_cache(). Note how, when it inserts a page into
>> swapper_space.page_tree, it then does an __inc_zone_page_state(NR_FILE_PAGES).
>>
>
> Correct. So a page is accounted for both as anonymous and a file pages.
> That is surprising. So this patch should indeed work. Added some comments
> to clarify the situation.
>
Given that it's exactly what I suggested in my first post, clearly I
second your patch.
-- Ethan
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next prev parent reply other threads:[~2007-04-18 19:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-17 23:12 meminfo returns inaccurate NR_FILE_PAGES Ethan Solomita
2007-04-17 23:56 ` Christoph Lameter
2007-04-18 4:06 ` Ethan Solomita
2007-04-18 5:12 ` Christoph Lameter
2007-04-18 5:31 ` Ethan Solomita
2007-04-18 5:39 ` Christoph Lameter
2007-04-18 6:13 ` Ethan Solomita
2007-04-18 19:36 ` Christoph Lameter
2007-04-18 19:39 ` Ethan Solomita [this message]
2007-04-18 21:02 ` Christoph Lameter
2007-04-18 4:49 ` Ethan Solomita
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