reproducible cygwin memory problems

[emacs user]

A brief problem description:

memory usage of emacs does not decrease after killing buffers with images.

details:

I start emacs with

emacs.exe -q --no-site-file&

the memory usage right after startup is 14912;

after editing a small image: 16452;

after killing the buffer with the image and using M-:(clear-image-cache 
t)RET: 16476;

after editing a large image: 39164;

again quit+clear cache: 34484;

edit small+medium+large images: 58936;

quit+clear: 87636...  (increased!)

I hope someone can look into this, and I am happy to provide information 
given specific instructions.

thanks...  EU


In GNU Emacs 22.0.50.1 (i686-pc-cygwin, X toolkit, Xaw3d scroll bars)
of 2006-07-31 on cata2
X server distributor `The Cygwin/X Project', version 11.0.60899901
Important settings:
 value of $LC_ALL: nil
 value of $LC_COLLATE: C
 value of $LC_CTYPE: nil
 value of $LC_MESSAGES: nil
 value of $LC_MONETARY: nil
 value of $LC_NUMERIC: nil
 value of $LC_TIME: nil
 value of $LANG: nil
 locale-coding-system: nil
 default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
 tooltip-mode: t
 tool-bar-mode: t
 mouse-wheel-mode: t
 menu-bar-mode: t
 file-name-shadow-mode: t
 global-font-lock-mode: t
 font-lock-mode: t
 blink-cursor-mode: t
 unify-8859-on-encoding-mode: t
 utf-translate-cjk-mode: t
 auto-compression-mode: t
 line-number-mode: t

Recent input:
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <menu-bar>
<help-menu> <report-emacs-bug>

Recent messages:
(/usr/local/emacs/src/emacs -q --no-site-file)
For information about the GNU Project and its goals, type C-h C-p.
Loading emacsbug...
Loading regexp-opt...done
Loading emacsbug...done

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