Commit 12ab028b authored by Dan Streetman's avatar Dan Streetman Committed by Linus Torvalds

mm/zswap.c: change params from hidden to ro

The "compressor" and "enabled" params are currently hidden, this changes
them to read-only, so userspace can tell if zswap is enabled or not and
see what compressor is in use.
Signed-off-by: default avatarDan Streetman <ddstreet@ieee.org>
Cc: Vladimir Murzin <murzin.v@gmail.com>
Cc: Bob Liu <bob.liu@oracle.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Weijie Yang <weijie.yang@samsung.com>
Acked-by: default avatarSeth Jennings <sjennings@variantweb.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 57ea8171
...@@ -77,12 +77,12 @@ static u64 zswap_duplicate_entry; ...@@ -77,12 +77,12 @@ static u64 zswap_duplicate_entry;
**********************************/ **********************************/
/* Enable/disable zswap (disabled by default, fixed at boot for now) */ /* Enable/disable zswap (disabled by default, fixed at boot for now) */
static bool zswap_enabled __read_mostly; static bool zswap_enabled __read_mostly;
module_param_named(enabled, zswap_enabled, bool, 0); module_param_named(enabled, zswap_enabled, bool, 0444);
/* Compressor to be used by zswap (fixed at boot for now) */ /* Compressor to be used by zswap (fixed at boot for now) */
#define ZSWAP_COMPRESSOR_DEFAULT "lzo" #define ZSWAP_COMPRESSOR_DEFAULT "lzo"
static char *zswap_compressor = ZSWAP_COMPRESSOR_DEFAULT; static char *zswap_compressor = ZSWAP_COMPRESSOR_DEFAULT;
module_param_named(compressor, zswap_compressor, charp, 0); module_param_named(compressor, zswap_compressor, charp, 0444);
/* The maximum percentage of memory that the compressed pool can occupy */ /* The maximum percentage of memory that the compressed pool can occupy */
static unsigned int zswap_max_pool_percent = 20; static unsigned int zswap_max_pool_percent = 20;
......
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