kernel_param_ops are not supposed to change at runtime. All functions working with kernel_param_ops provided by <linux/moduleparam.h> work with const kernel_param_ops. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx> --- mm/zswap.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/zswap.c b/mm/zswap.c index d39581a..030fbf9 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -82,7 +82,7 @@ static u64 zswap_duplicate_entry; static bool zswap_enabled; static int zswap_enabled_param_set(const char *, const struct kernel_param *); -static struct kernel_param_ops zswap_enabled_param_ops = { +static const struct kernel_param_ops zswap_enabled_param_ops = { .set = zswap_enabled_param_set, .get = param_get_bool, }; @@ -93,7 +93,7 @@ module_param_cb(enabled, &zswap_enabled_param_ops, &zswap_enabled, 0644); static char *zswap_compressor = ZSWAP_COMPRESSOR_DEFAULT; static int zswap_compressor_param_set(const char *, const struct kernel_param *); -static struct kernel_param_ops zswap_compressor_param_ops = { +static const struct kernel_param_ops zswap_compressor_param_ops = { .set = zswap_compressor_param_set, .get = param_get_charp, .free = param_free_charp, @@ -105,7 +105,7 @@ module_param_cb(compressor, &zswap_compressor_param_ops, #define ZSWAP_ZPOOL_DEFAULT "zbud" static char *zswap_zpool_type = ZSWAP_ZPOOL_DEFAULT; static int zswap_zpool_param_set(const char *, const struct kernel_param *); -static struct kernel_param_ops zswap_zpool_param_ops = { +static const struct kernel_param_ops zswap_zpool_param_ops = { .set = zswap_zpool_param_set, .get = param_get_charp, .free = param_free_charp, -- 2.7.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>