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Date: Mon, 3 Jul 2017 11:16:54 +0900
From: Minchan Kim <minchan@kernel.org>
To: Jerome Marchand <jmarchan@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>
Cc: Nitin Gupta <ngupta@vflare.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Mahendran Ganesh <opensource.ganesh@gmail.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] mm/zsmalloc: simplify zs_max_alloc_size handling
Message-ID: <20170703021654.GC2567@bbox>
References: <20170630012436.GA24520@bbox>
 <20170630114859.1979-1-jmarchan@redhat.com>
 <20170703021312.GB2567@bbox>
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Forgot to add Andrew.

On Mon, Jul 03, 2017 at 11:13:12AM +0900, Minchan Kim wrote:
> On Fri, Jun 30, 2017 at 01:48:59PM +0200, Jerome Marchand wrote:
> > Commit 40f9fb8cffc6 ("mm/zsmalloc: support allocating obj with size of
> > ZS_MAX_ALLOC_SIZE") fixes a size calculation error that prevented
> > zsmalloc to allocate an object of the maximal size
> > (ZS_MAX_ALLOC_SIZE). I think however the fix is unneededly
> > complicated.
> > 
> > This patch replaces the dynamic calculation of zs_size_classes at init
> > time by a compile time calculation that uses the DIV_ROUND_UP() macro
> > already used in get_size_class_index().
> > 
> > Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
> Acked-by: Minchan Kim <minchan@kernel.org>
> 
> Thanks.
> 
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