Since lzo-rle performance is better than lzo, see commit ce82f19fd580
("zram: default to lzo-rle instead of lzo"), converting zswap to use
lze-rle too.
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
mm/Kconfig | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/mm/Kconfig b/mm/Kconfig
index b1448aa81e15..f41a28b74efd 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -62,7 +62,7 @@ config ZSWAP_SHRINKER_DEFAULT_ON
choice
prompt "Default compressor"
depends on ZSWAP
- default ZSWAP_COMPRESSOR_DEFAULT_LZO
+ default ZSWAP_COMPRESSOR_DEFAULT_LZORLE
help
Selects the default compression algorithm for the compressed cache
for swap pages.
@@ -72,7 +72,7 @@ choice
available at the following LWN page:
https://lwn.net/Articles/751795/
- If in doubt, select 'LZO'.
+ If in doubt, select 'LZO-RLE'.
The selection made here can be overridden by using the kernel
command line 'zswap.compressor=' option.
@@ -83,6 +83,12 @@ config ZSWAP_COMPRESSOR_DEFAULT_DEFLATE
help
Use the Deflate algorithm as the default compression algorithm.
+config ZSWAP_COMPRESSOR_DEFAULT_LZORLE
+ bool "LZO-RLE"
+ select CRYPTO_LZO
+ help
+ Use the LZO algorithm as the default compression algorithm.
+
config ZSWAP_COMPRESSOR_DEFAULT_LZO
bool "LZO"
select CRYPTO_LZO
@@ -118,6 +124,7 @@ config ZSWAP_COMPRESSOR_DEFAULT
string
depends on ZSWAP
default "deflate" if ZSWAP_COMPRESSOR_DEFAULT_DEFLATE
+ default "lzo-rle" if ZSWAP_COMPRESSOR_DEFAULT_LZORLE
default "lzo" if ZSWAP_COMPRESSOR_DEFAULT_LZO
default "842" if ZSWAP_COMPRESSOR_DEFAULT_842
default "lz4" if ZSWAP_COMPRESSOR_DEFAULT_LZ4
--
2.27.0
