Messages in this thread | | | Subject | Re: memory leak? | From | (Måns Rullgård) | Date | 21 Jul 2002 16:19:35 +0200 |
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Andrew Rodland <arodland@noln.com> writes:
> On 21 Jul 2002 16:00:09 +0200 > mru@users.sourceforge.net (M) wrote: > > > > > I noticed that doing lots or file accesses causes the used memory to > > increase, *after* subtracting buffers/cache. Here is an example: > > > > $ free > > total used free shared buffers > > cached > > Mem: 773776 30024 743752 0 1992 > > 10424-/+ buffers/cache: 17608 756168 > > Swap: 81904 0 81904 > > $ du > /dev/null > > $ free > > total used free shared buffers > > cached > > Mem: 773776 78008 695768 0 26328 > > 10472-/+ buffers/cache: 41208 732568 > > Swap: 81904 0 81904 > > > > Here 24 MB of memory have been used up. Repeating the du seems to have > > little effect. This directory has ~3200 subdirs and 13400 files. > > > > After a few hours use about 200 MB are used, apperently for > > nothing. Killing all processed and unmounting file systems doesn't > > help. > > > > Is this a memory leak? I get the same results with ext2, ext3, > > reiserfs and nfs. > > wow! > I've been seeing this, too, but I thought I was just reading something > wrong. Especially after my nightly cron jobs (which involve a 'find > /') run, I'll often find myself with 80% of physical RAM used, and > nobody (as far as 'top' can see) using it. You didn't specify which > kernel you're using, but I'm running 2.4.19-rc1-ac1 plus some patches, > and I've seen it since at least about pre9-ac*. I might try to narrow it > down more if it could be useful.
I forgot to mention the kernel version. It's 2.4.19-rc3. It's been going on a while, though, before I took the time start looking for it.
-- Måns Rullgård mru@users.sf.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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