@@ -259,7 +259,7 @@ static unsigned long ksm_stable_node_chains;
static unsigned long ksm_stable_node_dups;
/* Delay in pruning stale stable_node_dups in the stable_node_chains */
-static int ksm_stable_node_chains_prune_millisecs = 2000;
+static unsigned int ksm_stable_node_chains_prune_millisecs = 2000;
/* Maximum number of page slots sharing a stable node */
static int ksm_max_page_sharing = 256;
@@ -3105,11 +3105,11 @@ stable_node_chains_prune_millisecs_store(struct kobject *kobj,
struct kobj_attribute *attr,
const char *buf, size_t count)
{
- unsigned long msecs;
+ unsigned int msecs;
int err;
- err = kstrtoul(buf, 10, &msecs);
- if (err || msecs > UINT_MAX)
+ err = kstrtouint(buf, 10, &msecs);
+ if (err)
return -EINVAL;
ksm_stable_node_chains_prune_millisecs = msecs;
ksm_stable_node_chains_prune_millisecs is declared as int, but in stable__node_chains_prune_millisecs_store(), it can store values up to UINT_MAX. Change its type to unsigned int. Signed-off-by: Zhansaya Bagdauletkyzy <zhansayabagdaulet@gmail.com> --- v2 -> v3: As suggested by Hugh Dickins, - discard changes to ksm_run v1 -> v2: - merge two patches into one v2: https://lore.kernel.org/lkml/20210716055800.GA255851@asus v1: https://lkml.org/lkml/2021/7/15/866 mm/ksm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)