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DateWed, 15 Oct 2003 21:19:18 -0700
FromAndrew Morton <>
SubjectRe: 2.6.0-test5/6 (and probably 7 too) size-4096 memory leak
Alberto Bertogli <albertogli@telpin.com.ar> wrote:
>
> I want to report a memory leak for 2.6.0-test5 that I've noticed today on
>  a mail server after 32 days of uptime.
> 
>  As I'm upgrading it tomorrow to test7 I wasn't going to report this until
>  verifying if the behaviour continued, but I saw on kernelnewbies that
>  others were having this issue with test7 too, so I decided to post a
>  report with the information before I reboot the server.
> 
>  The attached files are gzipped for space reasons, and were taken at night
>  when the server isn't very loaded.
> 
>  The workload is a simple sendmail with ipop3d and imapd, nothing much, for
>  about 6500 users; the machine is a dual Pentium III with 1gb of RAM and a
>  couple of SCSI disks.
> 
>  Slabinfo reports that size-4096 has 104341 active objects and growing.
> 
>  On another box at home I see the same issue with test6, but "only" with
>  11612 objects; I'm not posting info on this box as I guess the mailserver
>  is much more important because the leak is really noticeable.

At least I'm not the only one; my main desktop machine does the same
thing.  It leaks two megabytes a day into size-4096, like clockwork.  It's
up to 43 megs now.

I was ignoring it and hoping it would go away.  Ho hum.  Tricky.
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