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Date: Sun, 7 Sep 2008 04:00:09 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: Peter Zijlstra <peterz@...radead.org> Cc: Mike Travis <travis@....com>, Ingo Molnar <mingo@...e.hu>, davej@...emonkey.org.uk, David Miller <davem@...emloft.net>, Eric Dumazet <dada1@...mosbay.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Jack Steiner <steiner@....com>, Jeremy Fitzhardinge <jeremy@...p.org>, Jes Sorensen <jes@....com>, "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org Subject: Re: [RFC 07/13] sched: Reduce stack size requirements in kernel/sched.c On Sun, 07 Sep 2008 12:24:47 +0200 Peter Zijlstra <peterz@...radead.org> wrote: > get_online_cpus() can sleep, but you just disabled preemption with those > get_cpumask_var() horribles! make cpu_hotplug.refcount an atomic_t. > Couldn't be arsed to look through the rest, but I really hate this > cpumask_ptr() stuff that relies on disabling preemption. that's harder to fix ;) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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