Re: [PATCH] Priority Lists for the RT mutex

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.

Yes, the size of pl_head in that patch is 4 words, it doesn't have ->prio.

Oleg.
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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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