The patch titled
Subject: zram: default to lzo-rle instead of lzo
has been added to the -mm tree. Its filename is
zram-default-to-lzo-rle-instead-of-lzo.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/zram-default-to-lzo-rle-instead-of-lzo.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/zram-default-to-lzo-rle-instead-of-lzo.patch
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------------------------------------------------------
From: Dave Rodgman <dave.rodgman@xxxxxxx>
Subject: zram: default to lzo-rle instead of lzo
lzo-rle gives higher performance and similar compression ratios to lzo.
Testing with 80 browser tabs showed a 27% reduction in total time spent
(de)compressing data during swapping.
Link: http://lkml.kernel.org/r/20181130142600.13782-9-dave.rodgman@xxxxxxx
Signed-off-by: Dave Rodgman <dave.rodgman@xxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: Markus F.X.J. Oberhumer <markus@xxxxxxxxxxxxx>
Cc: Matt Sealey <matt.sealey@xxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Nitin Gupta <nitingupta910@xxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
Cc: Sonny Rao <sonnyrao@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/zram_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/block/zram/zram_drv.c~zram-default-to-lzo-rle-instead-of-lzo
+++ a/drivers/block/zram/zram_drv.c
@@ -41,7 +41,7 @@ static DEFINE_IDR(zram_index_idr);
static DEFINE_MUTEX(zram_index_mutex);
static int zram_major;
-static const char *default_compressor = "lzo";
+static const char *default_compressor = "lzo-rle";
/* Module params (documentation at end) */
static unsigned int num_devices = 1;
_
Patches currently in -mm which might be from dave.rodgman@xxxxxxx are
lib-lzo-tidy-up-ifdefs.patch
lib-lzo-implement-run-length-encoding.patch
lib-lzo-implement-run-length-encoding-v4.patch
lib-lzo-separate-lzo-rle-from-lzo.patch
lib-lzo-separate-lzo-rle-from-lzo-v4.patch
zram-default-to-lzo-rle-instead-of-lzo.patch
