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Date: Wed, 26 Jan 2005 00:58:44 -0800
From: Andrew Morton <akpm@osdl.org>
To: Jens Axboe <axboe@suse.de>
Cc: torvalds@osdl.org, alexn@dsv.su.se, kas@fi.muni.cz,
       linux-kernel@vger.kernel.org, lennert.vanalboom@ugent.be
Subject: Re: Memory leak in 2.6.11-rc1?
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Jens Axboe <axboe@suse.de> wrote:
>
> This is my current situtation:
> 
> ...
>  axboe@wiggum:/home/axboe $ cat /proc/meminfo 
>  MemTotal:      1024992 kB
>  MemFree:          9768 kB
>  Buffers:         76664 kB
>  Cached:         328024 kB
>  SwapCached:          0 kB
>  Active:         534956 kB
>  Inactive:       224060 kB
>  HighTotal:           0 kB
>  HighFree:            0 kB
>  LowTotal:      1024992 kB
>  LowFree:          9768 kB
>  SwapTotal:           0 kB
>  SwapFree:            0 kB
>  Dirty:            1400 kB
>  Writeback:           0 kB
>  Mapped:         464232 kB
>  Slab:           225864 kB
>  CommitLimit:    512496 kB
>  Committed_AS:   773844 kB
>  PageTables:       8004 kB
>  VmallocTotal: 34359738367 kB
>  VmallocUsed:       644 kB
>  VmallocChunk: 34359737167 kB
>  HugePages_Total:     0
>  HugePages_Free:      0
>  Hugepagesize:     2048 kB

OK.  There's rather a lot of anonymous memory there - 700M on the LRU, 300M
pageache, 400M anon, 200M of slab.  You need some swapspace ;)

What are the symptoms?  Slow to load applications?  Lots of paging?  Poor
I/O speeds?
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