linux-kernel - Re: [PATCH 2/7] vmpressure: Use spinlock

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Date:   Fri, 26 Jul 2019 14:09:50 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/7] vmpressure: Use spinlock_t instead of struct
 spinlock

On Thu, 4 Jul 2019, Sebastian Andrzej Siewior wrote:

Polite reminder ...

> For spinlocks the type spinlock_t should be used instead of "struct
> spinlock".
> 
> Use spinlock_t for spinlock's definition.
> 
> Cc: linux-mm@...ck.org
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> ---
>  include/linux/vmpressure.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h
> index 61e6fddfb26fd..6d28bc433c1cf 100644
> --- a/include/linux/vmpressure.h
> +++ b/include/linux/vmpressure.h
> @@ -17,7 +17,7 @@ struct vmpressure {
>  	unsigned long tree_scanned;
>  	unsigned long tree_reclaimed;
>  	/* The lock is used to keep the scanned/reclaimed above in sync. */
> -	struct spinlock sr_lock;
> +	spinlock_t sr_lock;
>  
>  	/* The list of vmpressure_event structs. */
>  	struct list_head events;
> -- 
> 2.20.1
> 
>