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Date:      Fri, 19 Jan 2007 16:31:26 +0100
From:      Stefan Ehmann <>
Cc:        Jason Evans <>
Subject:   Re: very high memory usage in -current
Message-ID:  <>
In-Reply-To: <>
References:  <> <>

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On Friday 19 January 2007 01:08, Jason Evans wrote:
> Stefan Ehmann wrote:
> > [huge jpeg/png images cause memory bloat with konqueror and gtk apps, on
> > -CURRENT.]
> >
> > I don't really know what's causing this problem. Maybe it's related to
> > jemalloc, but I'd be surprised if no one else has noticed this before.
> If you think jemalloc is involved, the easiest way to check is by
> reverting src/lib/libc/stdlib/malloc.c to revision 1.92, which is
> phkmalloc.  If this substantially changes memory usage, then there are
> further diagnostics that can be used to help understand the issue.
When reverting to r1.92 konqueror memory usage goes back to normal values 
(i.e. as on 6.2-Release)

> If jemalloc is involved, here's what could cause such behavior.  First,
> you would have to be running on a 32-bit platform, so that sbrk() is in
> use (rather than pure mmap() as for the 64-bit platforms).
Yes, I'm on i386.


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