linux-kernel - Re: [PATCH v6] zram: break the strict dependency from lzo

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Date:   Wed, 25 Nov 2020 11:56:08 -0800
From:   Minchan Kim <minchan@...nel.org>
To:     Rui Salvaterra <rsalvaterra@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     ngupta@...are.org, sergey.senozhatsky.work@...il.com,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6] zram: break the strict dependency from lzo

On Sun, Nov 22, 2020 at 09:50:51AM +0000, Rui Salvaterra wrote:
> From the beginning, the zram block device always enabled CRYPTO_LZO, since
> lzo-rle is hardcoded as the fallback compression algorithm. As a consequence, on
> systems where another compression algorithm is chosen (e.g. CRYPTO_ZSTD), the
> lzo kernel module becomes unused, while still having to be built/loaded.
> 
> This patch removes the hardcoded lzo-rle dependency and allows the user to
> select the default compression algorithm for zram at build time. The previous
> behaviour is kept, as the default algorithm is still lzo-rle.
> 
> Suggested-by: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
> Suggested-by: Minchan Kim <minchan@...nel.org>
> Signed-off-by: Rui Salvaterra <rsalvaterra@...il.com>

Acked-by: Minchan Kim <minchan@...nel.org>

Thanks, Rui!