path: root/mm
diff options
authorDan Streetman <>2014-01-23 23:52:48 (GMT)
committerChanho Park <>2014-11-18 02:47:20 (GMT)
commitabcc4680cbec57757e0bdaf803b05721c6a62788 (patch)
treedc67eee2986a6bd15322eb46992b102a946d604e /mm
parent72218ea0bcac05261f5ac6c4663774cf2351e2d4 (diff)
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. Change-Id: I42d8ac2544ccbf981de26d98b772417e183360f6 Signed-off-by: Dan Streetman <> Cc: Vladimir Murzin <> Cc: Bob Liu <> Cc: Minchan Kim <> Cc: Weijie Yang <> Acked-by: Seth Jennings <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'mm')
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/zswap.c b/mm/zswap.c
index 5a63f78..e55bab9 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -77,12 +77,12 @@ static u64 zswap_duplicate_entry;
/* Enable/disable zswap (disabled by default, fixed at boot for now) */
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) */
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 */
static unsigned int zswap_max_pool_percent = 20;