Re: [PATCH 0/2] convert mmap_sem to a scalable rw_mutex

[Christoph Lameter]

On Fri, 11 May 2007, Ingo Molnar wrote:

> given how nice this looks already, have you considered completely 
> replacing rwsems with this? I suspect you could test the correctness of 
> that without doing a mass API changeover, by embedding struct rw_mutex 
> in struct rwsem and implementing kernel/rwsem.c's API that way. (the 
> real patch would just flip it all over to rw-mutexes)

Ummmm... How much memory would that cost on large systems?

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