Re: [PATCH 04/16] lib/test_bitmap: test test_bitmap_arr{32,64} starting from nbits == 1

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Subject: Re: [PATCH 04/16] lib/test_bitmap: test test_bitmap_arr{32,64} starting from nbits == 1
From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Tue, 19 Jul 2022 00:09:16 +0300
Cc: linux-kernel@xxxxxxxxxxxxxxx, Alexander Lobakin <alexandr.lobakin@xxxxxxxxx>, Alexei Starovoitov <ast@xxxxxxxxxx>, Alexey Klimov <aklimov@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Andrii Nakryiko <andrii@xxxxxxxxxx>, Ben Segall <bsegall@xxxxxxxxxx>, Christoph Lameter <cl@xxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Daniel Borkmann <daniel@xxxxxxxxxxxxx>, Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>, Dennis Zhou <dennis@xxxxxxxxxx>, Dietmar Eggemann <dietmar.eggemann@xxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Frederic Weisbecker <fweisbec@xxxxxxxxx>, Guenter Roeck <linux@xxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Isabella Basso <isabbasso@xxxxxxxxxx>, John Fastabend <john.fastabend@xxxxxxxxx>, Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Juri Lelli <juri.lelli@xxxxxxxxxx>, KP Singh <kpsingh@xxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Martin KaFai Lau <kafai@xxxxxx>, Mel Gorman <mgorman@xxxxxxx>, Miroslav Benes <mbenes@xxxxxxx>, Nathan Chancellor <nathan@xxxxxxxxxx>, "Paul E . McKenney" <paulmck@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>, Song Liu <songliubraving@xxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Valentin Schneider <vschneid@xxxxxxxxxx>, Vincent Guittot <vincent.guittot@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Yonghong Song <yhs@xxxxxx>, linux-mm@xxxxxxxxx, netdev@xxxxxxxxxxxxxxx, bpf@xxxxxxxxxxxxxxx
In-reply-to: <20220718192844.1805158-5-yury.norov@gmail.com>
Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo

On Mon, Jul 18, 2022 at 12:28:32PM -0700, Yury Norov wrote:
> nbits == 0 is useless. In a real code it's most probably a sign of
> error, and it makes CONFIG_DEBUG_BITMAP barking.

Ditto as per previous patch.

-- 
With Best Regards,
Andy Shevchenko

References:
- [PATCH 00/16] Introduce DEBUG_BITMAP config option and bitmap_check_params()
  - From: Yury Norov
- [PATCH 04/16] lib/test_bitmap: test test_bitmap_arr{32,64} starting from nbits == 1
  - From: Yury Norov

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