Re: Patch(2.5.54): devfs shrink - integration candidate

[H. Peter Anvin]

Followup to:  <[e-mail]>
By author:    "Adam J. Richter" <[e-mail]>
In newsgroup: linux.dev.kernel
> 
> 	This patch reduces include/linux/devfs*.h and fs/devfs from
> 3655 lines to 1239, a reduction of 2450 lines, nearly a factor three.
> That may not be as impressive as the original 5X reduction, but that
> is mostly because I've restored a bunch of functionality that I hope
> to eliminate in the future.
> 

Do we have any idea what the impact of this is on runtime data size?
I seem to remember devfs playing lots of tricks to reduce its working
set.  If this code size reduction ends up pinning large data
structures like dentries and inodes which wouldn't otherwise have been
pinned, this could be a significant lose.

	-hpa
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