From: Peter Zijlstra <peterz@infradead.org>
To: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>,
"Rafael J . Wysocki" <rjw@rjwysocki.net>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
"H . Peter Anvin" <hpa@zytor.com>,
Benoit Cousson <bcousson@baylibre.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Guenter Roeck <linux@roeck-us.net>,
Jean Delvare <jdelvare@suse.de>, Jonathan Corbet <corbet@lwn.net>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND] cpufreq: p4-clockmod: Replace bool_int_array[NR_CPUS] with bitmap
Date: Mon, 6 Jun 2016 10:27:51 +0200 [thread overview]
Message-ID: <20160606082751.GB30154@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160605165733.25076-1-dvlasenk@redhat.com>
On Sun, Jun 05, 2016 at 06:57:33PM +0200, Denys Vlasenko wrote:
> Straigntforward conversion from
> int has_N44_O17_errata[NR_CPUS]
> to
> DECLARE_BITMAP(has_N44_O17_errata, NR_CPUS)
>
> Saves about 2 kbytes in bss for NR_CPUS=512.
Using cpumask_var_t would save even more bytes. Or making it a single
global variables even more.
prev parent reply other threads:[~2016-06-06 8:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-05 16:57 Denys Vlasenko
2016-06-06 8:27 ` Peter Zijlstra [this message]
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