linux-kernel - Re: [PATCH v2] debugobjects: scale the static pool size

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Message-ID: <alpine.DEB.2.21.1811202155380.1665@nanos.tec.linutronix.de>
Date:   Tue, 20 Nov 2018 21:56:11 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Waiman Long <longman@...hat.com>
cc:     Qian Cai <cai@....us>, akpm@...ux-foundation.org,
        yang.shi@...ux.alibaba.com, arnd@...db.de,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] debugobjects: scale the static pool size

On Tue, 20 Nov 2018, Waiman Long wrote:
> On 11/20/2018 03:14 PM, Qian Cai wrote:
> >  static struct debug_obj_descr	*descr_test  __read_mostly;
> 
> The calculation for ODEBUG_POOL_SIZE is somewhat hard to read. Maybe you
> can do something like
> 
> #ifdef CONFIG_DEBUG_OBJECTS_WORK
> #define ODEBUG_WORK_PCPU_CNT    10
> #else
> #define ODEBUG_WORK_PCPU_CNT    0
> #endif
> 
> #ifdef CONFIG_DEBUG_OBJECTS_TIMERS
> #define ODEBUG_TIMERS_PCPU_CNT 10
> #else
> #define ODEBUG_TIMERS_PCPU_CNT 0
> #endif
> 
> #define ODEBUG_POOL_SIZE (ODEBUG_DEFAULT_POOL + CONFIG_NR_CPUS * \
>                          (ODEBUG_TIMERS_PCPU_CNT + ODEBUG_WORK_PCPU_CNT))

Yes please.

Thanks,

	tglx