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Re: 2.4.3-SGI_XFS_1.0.1smp leaks?

To: lord@xxxxxxx (Steve Lord)
Subject: Re: 2.4.3-SGI_XFS_1.0.1smp leaks?
From: Sidik Isani <isani@xxxxxxxxxxxxxxx>
Date: Thu, 19 Jul 2001 01:13:22 -1000 (HST)
Cc: gbritton@xxxxxxx (Gerald Britton), linux-xfs@xxxxxxxxxxx
In-reply-to: <200107181938.f6IJc6D18922@xxxxxxxxxxxxxxxxxxxx> from "Steve Lord" at Jul 18, 2001 02:38:06 PM
Sender: owner-linux-xfs@xxxxxxxxxxx
Hello Gerald -

  The "used" memory reported by /proc/meminfo is apparently not
  a meaningful measurement of non-freeable memory when there are
  large values in /proc/slabinfo.  There are some XFS and page_buf
  entries in there which can get quite high.  However they go right
  back down if something else really needs the memory.  So I don't
  think there's a leak.  I'd sure like to understand what's really
  going on a bit better, but the only thing which seems broken is
  our ability to easily get an idea of how much free-able memory
  is left :-(

Be seeing you,

- Sidik

<Steve Lord wrote:>
|> I ran the 1.0 redhatish kernel for months with no major problems other than
|> a few data corruption bugs on dirty recovery.  I was hoping that upgrading to
|> 1.0.1 would fix those issues, but now I seem to be running out of memory in
|> the space of about 2 days.  The "used" ammount of memory seems to be higher
|> than the sum of all processes, so it seems like something is leaking userspac
|> e
|> memory.  Anyone else having these problems?  Any fix available?
|>                              -- Gerald
|Hmm, maybe there is an interaction with changes from redhat, is the machine
|actually behaving worse? The oss website has been up and running on a 1.0.1
|XFS kernel for nearly 31 days now and that machine is pretty busy. However,
|the kernel happens to be from just before the release and is still 2.4.2
|Can you post some more info on what it is you are seeing.
|   Steve

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