Re: [PATCH] Priority Lists for the RT mutex

On Mon, 2005-05-09 at 02:11, Ingo Molnar wrote:

> What would be nice to achieve are [low-cost] reductions of the size of 
> struct rt_mutex (in include/linux/rt_lock.h), upon which all other 
> PI-aware locking objects are based. Right now it's 9 words, of which 
> struct plist is 5 words. Would be nice to trim this to 8 words - which 
> would give a nice round size of 32 bytes on 32-bit.

Why not make rt_mutex->wait_lock a pointer ? Set it to NULL and handle
it in rt.c .

Daniel

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Follow-Ups:
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References:
- RE: [PATCH] Priority Lists for the RT mutex
  - From: "Perez-Gonzalez, Inaky" <[email protected]>
- Re: [PATCH] Priority Lists for the RT mutex
  - From: Oleg Nesterov <[email protected]>
- Re: [PATCH] Priority Lists for the RT mutex
  - From: Ingo Molnar <[email protected]>
- Re: [PATCH] Priority Lists for the RT mutex
  - From: Oleg Nesterov <[email protected]>
- Re: [PATCH] Priority Lists for the RT mutex
  - From: Ingo Molnar <[email protected]>

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