Messages in this thread | | | Date | Fri, 12 May 2006 13:12:56 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC][PATCH RT 1/2] futex_requeue-optimize |
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* Sébastien Dugué <sebastien.dugue@bull.net> wrote:
> On Fri, 2006-05-12 at 10:10 +0200, Sébastien Dugué wrote: > > On Fri, 2006-05-12 at 08:32 +0200, Ingo Molnar wrote: > > > * Andrew Morton <akpm@osdl.org> wrote: > > > > > > > Should the futex code be using hlist_heads for that hashtable? > > > > > > yeah. That would save 1K of .data on 32-bit platforms, 2K on 64-bit > > > platforms. > > > > I'll try to look into this. > > > > Well, moving the hash bucket list to an hlist may save a few bytes > on .data, but all the insertions are done at the tail on this list > which would not be easily done using hlists. > > Any thoughts?
just queue to the head. This is a hash-list, ordering has only performance effects.
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