netdev - [PATCH 16/16] lib: create CONFIG_DEBUG

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Date:   Mon, 18 Jul 2022 12:28:44 -0700
From:   Yury Norov <yury.norov@...il.com>
To:     linux-kernel@...r.kernel.org,
        Alexander Lobakin <alexandr.lobakin@...el.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Alexey Klimov <aklimov@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrii Nakryiko <andrii@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Ben Segall <bsegall@...gle.com>,
        Christoph Lameter <cl@...ux.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Dennis Zhou <dennis@...nel.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Eric Dumazet <edumazet@...gle.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Ingo Molnar <mingo@...hat.com>,
        Isabella Basso <isabbasso@...eup.net>,
        John Fastabend <john.fastabend@...il.com>,
        Josh Poimboeuf <jpoimboe@...nel.org>,
        Juergen Gross <jgross@...e.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        KP Singh <kpsingh@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Martin KaFai Lau <kafai@...com>,
        Mel Gorman <mgorman@...e.de>, Miroslav Benes <mbenes@...e.cz>,
        Nathan Chancellor <nathan@...nel.org>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Song Liu <songliubraving@...com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Tejun Heo <tj@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Valentin Schneider <vschneid@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Vlastimil Babka <vbabka@...e.cz>, Yonghong Song <yhs@...com>,
        Yury Norov <yury.norov@...il.com>, linux-mm@...ck.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH 16/16] lib: create CONFIG_DEBUG_BITMAP parameter

Create CONFIG_DEBUG_BITMAP parameter to let people use
new option. Default is N.

Signed-off-by: Yury Norov <yury.norov@...il.com>
---
 lib/Kconfig.debug | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2e24db4bff19..cde1b5b7bb9d 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -533,6 +533,13 @@ config DEBUG_FORCE_WEAK_PER_CPU
 
 endmenu # "Compiler options"
 
+config DEBUG_BITMAP
+	bool "Debug bitmaps"
+	help
+	  Say Y here if you want to check bitmap functions parameters at
+	  the runtime. Enable CONFIG_DEBUG_BITMAP only for debugging because
+	  it may affect performance.
+
 menu "Generic Kernel Debugging Instruments"
 
 config MAGIC_SYSRQ
-- 
2.34.1