Re: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01

Stephen C. Tweedie
2005-08-30T10:58:57Z

Hi,

On Fri, 2005-08-26 at 12:20, Steven Rostedt wrote:

> > could you try a), how clean does it get? Personally i'm much more in
> > favor of cleanliness. On the vanilla kernel a spinlock is zero bytes on
> > UP [the most RAM-sensitive platform], and it's a word on typical SMP.

It's a word, maybe; but it's a word used only by ext3 afaik, and it's
getting added to the core buffer_head. Not very nice. It certainly
looks like the easiest short-term way out for a development patch
series, though.

--Stephen