From: Rusty Russell <rusty@rustcorp.com.au>
To: "David S. Miller" <davem@redhat.com>
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org, mingo@redhat.com
Subject: Re: [PATCH] Simplified scalable cpu bitmasks
Date: Mon, 12 Aug 2002 18:14:57 +1000 [thread overview]
Message-ID: <20020812181457.6245f673.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20020811.222124.60543063.davem@redhat.com>
On Sun, 11 Aug 2002 22:21:24 -0700 (PDT)
"David S. Miller" <davem@redhat.com> wrote:
> From: Rusty Russell <rusty@rustcorp.com.au>
> Date: Mon, 12 Aug 2002 14:42:51 +1000
>
> This changes bitmap_member to the more logical DECLARE_BITMAP, then
> uses it for cpu_online_map (ie. cpu_online_map is now an unsigned long
> array).
>
> Compiles and boots: Dave, how's this?
>
> I'm ok with this for now.
>
> I suspect that once you start using NR_CPUS in the range of 1024 or so
> you want to allow the port do things like "use a pointer for cpuset_t
> and NULL means CPU_MASK_ALL"
I thought about that. Then I thought, "we'll cross that bridge when we
come to it". It's overdesign at the moment, we'll be able to judge in 2.7.
Rusty.
--
there are those who do and those who hang on and you don't see too
many doers quoting their contemporaries. -- Larry McVoy
next prev parent reply other threads:[~2002-08-12 8:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-12 4:42 Rusty Russell
2002-08-12 5:21 ` David S. Miller
2002-08-12 8:14 ` Rusty Russell [this message]
2002-08-12 9:26 ` Ingo Molnar
2002-08-12 8:44 ` Rusty Russell
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