From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Andrew Morton <akpm@digeo.com>
Cc: William Lee Irwin III <wli@holomorphy.com>,
linux-mm@kvack.org, akpm@zip.com.au, hugh@veritas.com,
linux-kernel@vger.kernel.org
Subject: Re: dbench on tmpfs OOM's
Date: Mon, 16 Sep 2002 22:18:20 -0700 [thread overview]
Message-ID: <211767585.1032214699@[10.10.2.3]> (raw)
In-Reply-To: <3D86BA1B.84873680@digeo.com>
> meminfo.what? Remember when I suggested that you put
> a testing mode into the numa code so that mortals could
> run numa builds on non-numa boxes?
NUMA aware meminfo is one of the patches you have sitting
in your tree. I haven't got around to the NUMA-sim yet ...
maybe after Halloween when management stop asking me to
get other bits of code in before the freeze ;-)
mbligh@larry:~$ cat /proc/meminfo.numa
Node 0 MemTotal: 4194304 kB
Node 0 MemFree: 3420660 kB
Node 0 MemUsed: 773644 kB
Node 0 HighTotal: 3418112 kB
Node 0 HighFree: 2737992 kB
Node 0 LowTotal: 776192 kB
Node 0 LowFree: 682668 kB
Node 1 MemTotal: 4147200 kB
Node 1 MemFree: 4116444 kB
Node 1 MemUsed: 30756 kB
Node 1 HighTotal: 4147200 kB
Node 1 HighFree: 4116444 kB
Node 1 LowTotal: 0 kB
Node 1 LowFree: 0 kB
Node 2 MemTotal: 4147200 kB
Node 2 MemFree: 4131816 kB
Node 2 MemUsed: 15384 kB
Node 2 HighTotal: 4147200 kB
Node 2 HighFree: 4131816 kB
Node 2 LowTotal: 0 kB
Node 2 LowFree: 0 kB
Node 3 MemTotal: 4147200 kB
Node 3 MemFree: 4128432 kB
Node 3 MemUsed: 18768 kB
Node 3 HighTotal: 4147200 kB
Node 3 HighFree: 4128432 kB
Node 3 LowTotal: 0 kB
Node 3 LowFree: 0 kB
>> Looks to me like it's just out of low memory:
>>
>> > LowFree: 1424 kB
>>
>> There is no low memory on anything but node 0 ...
>
> It was a GFP_HIGH allocation - just pagecache.
Ah, but what does a balance_classzone do on a NUMA box?
Once you've finished rototilling the code you're looking
at, I think we might have a better clue what it's supposed
to do, at least ...
M.
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next prev parent reply other threads:[~2002-09-17 5:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-17 4:43 William Lee Irwin III
2002-09-17 4:58 ` Andrew Morton
2002-09-17 5:01 ` Martin J. Bligh
2002-09-17 5:14 ` Andrew Morton
2002-09-17 5:18 ` Martin J. Bligh [this message]
2002-09-17 5:15 ` William Lee Irwin III
2002-09-17 5:31 ` Andrew Morton
2002-09-17 6:43 ` Christoph Rohland
2002-09-17 7:01 ` Hugh Dickins
2002-09-17 7:27 ` William Lee Irwin III
2002-09-17 8:02 ` Andrew Morton
2002-09-17 11:38 ` 35-mm1 triggers watchdog Ed Tomlinson
2002-09-17 20:12 ` Andrew Morton
2002-09-17 7:57 ` dbench on tmpfs OOM's Christoph Rohland
2002-12-10 5:28 ` William Lee Irwin III
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