Re: Memory leak in 2.6.11-rc1?

From: Andrew Morton
Date: Wed Jan 26 2005 - 04:00:00 EST


Jens Axboe <axboe@xxxxxxx> 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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