linux-kernel - Re: [PATCHv2 2/4] zsmalloc: skip chain size calculation for pow_of

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Message-ID: <Y8GVtrmG1C04c0gA@google.com>
Date:   Fri, 13 Jan 2023 09:32:38 -0800
From:   Minchan Kim <minchan@...nel.org>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCHv2 2/4] zsmalloc: skip chain size calculation for pow_of_2
 classes

On Mon, Jan 09, 2023 at 12:38:36PM +0900, Sergey Senozhatsky wrote:
> If a class size is power of 2 then it wastes no memory
> and the best configuration is 1 physical page per-zspage.
> 
> Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
Acked-by: Minchan Kim <minchan@...nel.org>