Re: [PATCH v7] zram: break the strict dependency from lzo

From: Minchan Kim
Date: Tue Dec 08 2020 - 12:29:40 EST


On Tue, Dec 08, 2020 at 09:26:55AM -0800, Minchan Kim wrote:
> On Mon, Dec 07, 2020 at 12:12:45PM +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@xxxxxxxxx>
> > Suggested-by: Minchan Kim <minchan@xxxxxxxxxx>
> > Signed-off-by: Rui Salvaterra <rsalvaterra@xxxxxxxxx>
> Acked-by: Minchan Kim <minchan@xxxxxxxxxx>

Ccing Andrew