* Andrew Morton <[email protected]> wrote:
> Ingo Molnar <[email protected]> wrote:
> >
> > --- linux-pi-futex.mm.q.orig/init/Kconfig
> > +++ linux-pi-futex.mm.q/init/Kconfig
> > @@ -361,9 +361,14 @@ config BASE_FULL
> > kernel data structures. This saves memory on small machines,
> > but may reduce performance.
> >
> > +config RT_MUTEXES
> > + boolean
> > + select PLIST
> > +
> > config FUTEX
> > bool "Enable futex support" if EMBEDDED
> > default y
> > + select RT_MUTEXES
> > help
>
> We can't turn these things off unless we also turn off futexes. There
> goes another 8.7 kbytes...
do we want to make the futex API so splintered via .config? 8.7 kbytes
on SMP boxes, a bit less on UP boxes. RAM-starving embedded platforms
will want to turn off all things futexes i guess.
Ingo
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