split pagestyle.module into several smaller files

After running some profiling on my Drupal site, it has come to my attention that pagestyle.module is one of the largest files parsed by include_once. Infact, it is at the top of the list, taking 6084microseconds to process. Below is the top section of the output from webgrind on drupal_load() - as you can see, include_once(...pagestyle.module) is the at the top!:

include_once::/home/tom/workspace/concern6/sites/all/modules/pagestyle/pagestyle.module @ 601 	1 	6084 	O
drupal_get_filename @ 598 	138 	2729 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/location/location.module @ 601 	1 	1844 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/textsize/textsize.module @ 601 	1 	1523 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/imageapi/imageapi_gd.module @ 601 	1 	1100 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/filefield/filefield.module @ 601 	1 	741 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/print/print.module @ 601 	1 	402 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/chart/chart.module @ 601 	1 	357 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/forward/forward.module @ 601 	1 	319 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/imagecache_actions/imagecache_canvasactions.module @ 601 	1 	293 	O
include_once::/home/tom/workspace/concern6/modules/comment/comment.module @ 601 	1 	279 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/simplenews/simplenews.module @ 601 	1 	237 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/date/date_api.module @ 601 	1 	226 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/submenutree/submenutree.module @ 601 	1 	210 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/devel/devel.module @ 601 	1 	144 	O
include_once::/home/tom/workspace/concern6/sites/all/modules/flashvideo/flashvideo.module @ 601 	1 	126

I suspect that splitting pagestyle.module into smaller files (pagestyle.admin.inc etc) will shave the processing time down to a reasonable level.