From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de,
torvalds@osdl.org, arjan@infradead.org
Subject: Re: [patch 05/10] PI-futex: rt-mutex core
Date: Mon, 27 Mar 2006 01:33:57 +0200 [thread overview]
Message-ID: <20060326233357.GA21955@elte.hu> (raw)
In-Reply-To: <20060325213551.3003c2f8.akpm@osdl.org>
* Andrew Morton <akpm@osdl.org> wrote:
> Ingo Molnar <mingo@elte.hu> 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
next prev parent reply other threads:[~2006-03-26 23:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-25 18:46 Ingo Molnar
2006-03-26 5:35 ` Andrew Morton
2006-03-26 23:33 ` Ingo Molnar [this message]
2006-03-26 6:07 ` Andrew Morton
2006-03-26 16:03 ` [patch] PI-futex: -V2 Ingo Molnar
2006-03-26 19:16 ` Andrew Morton
2006-03-26 23:30 ` Ingo Molnar
2006-03-26 23:16 ` [patch] PI-futex: -V3 Ingo Molnar
2006-03-28 10:17 ` [patch-mm2] PI-futex: fix timeout race Thomas Gleixner
2006-03-31 19:14 ` [patch] PI-futex patchset: -V4 Ingo Molnar
2006-03-31 19:23 ` Ingo Molnar
2006-04-01 0:19 ` Peter Williams
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