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From: Andrew Morton <akpm@linux-foundation.org>
To: sworddragon2@aol.com
Cc: bugzilla-daemon@bugzilla.kernel.org, linux-mm@kvack.org
Subject: Re: [Bug 53501] New: Duplicated MemTotal with different values
Date: Tue, 12 Feb 2013 16:51:07 -0800	[thread overview]
Message-ID: <20130212165107.32be0c33.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-53501-27@https.bugzilla.kernel.org/>


(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Fri,  8 Feb 2013 09:39:27 +0000 (UTC)
bugzilla-daemon@bugzilla.kernel.org wrote:

> https://bugzilla.kernel.org/show_bug.cgi?id=53501
> 
>            Summary: Duplicated MemTotal with different values
>            Product: Memory Management
>            Version: 2.5
>     Kernel Version: Ubuntu 3.8.0-4.8-generic 3.8.0-rc6
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: Other
>         AssignedTo: akpm@linux-foundation.org
>         ReportedBy: sworddragon2@aol.com
>         Regression: No
> 
> 
> The installed memory on my system is 16 GiB. /proc/meminfo is showing me
> "MemTotal:       16435048 kB" but /sys/devices/system/node/node0/meminfo is
> showing me "Node 0 MemTotal:       16776380 kB".
> 
> My suggestion: MemTotal in /proc/meminfo should be 16776380 kB too. The old
> value of 16435048 kB could have its own key "MemAvailable".

hm, mine does that too.  A discrepancy between `totalram_pages' and
NODE_DATA(0)->node_present_pages.

I don't know what the reasons are for that but yes, one would expect
the per-node MemTotals to sum up to the global one.

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       reply	other threads:[~2013-02-13  0:51 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-53501-27@https.bugzilla.kernel.org/>
2013-02-13  0:51 ` Andrew Morton [this message]
2013-02-13  1:45   ` [Bug 53501] New: Duplicated MemTotal with different values David Rientjes
2013-02-13  3:59     ` Andrew Morton
2013-02-14  3:19       ` David Rientjes
2013-02-14  4:01         ` Jiang Liu
2013-02-15  0:26           ` David Rientjes
2013-02-20  5:21             ` Simon Jeons
2013-02-20  7:09               ` David Rientjes
2013-03-02  2:21                 ` Simon Jeons
2013-03-04 11:18                   ` David Rientjes
2013-03-04 23:39                     ` Simon Jeons
2013-03-05 21:53                       ` David Rientjes
2013-02-16 16:27         ` [PATCH 1/2] vm: add 'MemManaged' field to /proc/meminfo and /sys/.../nodex/meminfo Jiang Liu
2013-02-19 21:29           ` David Rientjes
2013-02-20 17:27             ` [PATCH v2] mm: let /proc/meminfo report physical memory installed as "MemTotal" Jiang Liu
2013-02-20 22:49               ` Andrew Morton
2013-02-21 17:26                 ` Jiang Liu
2013-02-21 21:31                   ` Andrew Morton
2013-02-22 19:22                     ` Jiang Liu
2013-02-16 16:27         ` [PATCH 2/2] mm: protect si_meminfo() and si_meminfo_node() from memory hotplug operations Jiang Liu
2013-02-19 21:32           ` David Rientjes

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