x86: add missed pgtable_pmd_page_ctor/dtor calls for preallocated pmds

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

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index a159e1fd2013fecd2c8c16f50e520278a587c1b8..34a604726d0b7c87b4b112a3f4ab9e1a6902ffcb 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -190,7 +190,7 @@ static int proc_dostring_coredump(struct ctl_table *table, int write,
 
 #ifdef CONFIG_MAGIC_SYSRQ
 /* Note: sysrq code uses it's own private copy */
-static int __sysrq_enabled = SYSRQ_DEFAULT_ENABLE;
+static int __sysrq_enabled = CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE;
 
 static int sysrq_sysctl_handler(ctl_table *table, int write,
                                void __user *buffer, size_t *lenp,
@@ -969,9 +969,10 @@ static struct ctl_table kern_table[] = {
        {
                .procname       = "hung_task_check_count",
                .data           = &sysctl_hung_task_check_count,
-               .maxlen         = sizeof(unsigned long),
+               .maxlen         = sizeof(int),
                .mode           = 0644,
-               .proc_handler   = proc_doulongvec_minmax,
+               .proc_handler   = proc_dointvec_minmax,
+               .extra1         = &zero,
        },
        {
                .procname       = "hung_task_timeout_secs",
@@ -1056,6 +1057,7 @@ static struct ctl_table kern_table[] = {
                .maxlen         = sizeof(sysctl_perf_event_sample_rate),
                .mode           = 0644,
                .proc_handler   = perf_proc_update_handler,
+               .extra1         = &one,
        },
        {
                .procname       = "perf_cpu_time_max_percent",
@@ -2221,8 +2223,11 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int
                        *i = val;
                } else {
                        val = convdiv * (*i) / convmul;
-                       if (!first)
+                       if (!first) {
                                err = proc_put_char(&buffer, &left, '\t');
+                               if (err)
+                                       break;
+                       }
                        err = proc_put_long(&buffer, &left, val, false);
                        if (err)
                                break;