hung_task: Display every hung task warning

[firefly-linux-kernel-4.4.55.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c398a58673a75594ad5951dc4607f07dce451f62..dd5b4496637e284009a0e34280e98d88772f91f8 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -122,7 +122,8 @@ extern int blk_iopoll_enabled;
 static int sixty = 60;
 #endif
 
-static int neg_one = -1;
+static int __maybe_unused neg_one = -1;
+
 static int zero;
 static int __maybe_unused one = 1;
 static int __maybe_unused two = 2;
@@ -978,9 +979,10 @@ static struct ctl_table kern_table[] = {
        {
                .procname       = "hung_task_warnings",
                .data           = &sysctl_hung_task_warnings,
-               .maxlen         = sizeof(unsigned long),
+               .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = proc_doulongvec_minmax,
+               .proc_handler   = proc_dointvec_minmax,
+               .extra1         = &neg_one,
        },
 #endif
 #ifdef CONFIG_COMPAT