linux-kernel - Re: [PATCH v5 05/12] zsmalloc: use bit_spin

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Message-ID: <20160516011730.GA504@swordfish>
Date:	Mon, 16 May 2016 10:17:31 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH v5 05/12] zsmalloc: use bit_spin_lock

On (05/09/16 11:20), Minchan Kim wrote:
> 
> Use kernel standard bit spin-lock instead of custom mess. Even, it has
> a bug which doesn't disable preemption. The reason we don't have any
> problem is that we have used it during preemption disable section
> by class->lock spinlock. So no need to go to stable.
> 
> Cc: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
> Signed-off-by: Minchan Kim <minchan@...nel.org>

good change.

Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>

	-ss