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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index db19e3e2aa4b..75b22e22a72c 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -136,7 +136,6 @@ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
static int maxolduid = 65535;
static int minolduid;
-static int min_percpu_pagelist_fract = 8;
static int ngroups_max = NGROUPS_MAX;
static const int cap_last_cap = CAP_LAST_CAP;
@@ -152,10 +151,6 @@ static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
#ifdef CONFIG_SPARC
#endif
-#ifdef CONFIG_SPARC64
-extern int sysctl_tsb_ratio;
-#endif
-
#ifdef __hppa__
extern int pwrsw_enabled;
#endif
@@ -865,6 +860,17 @@ static struct ctl_table kern_table[] = {
.extra1 = &zero,
.extra2 = &one,
},
+#ifdef CONFIG_SMP
+ {
+ .procname = "softlockup_all_cpu_backtrace",
+ .data = &sysctl_softlockup_all_cpu_backtrace,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
+#endif /* CONFIG_SMP */
{
.procname = "nmi_watchdog",
.data = &watchdog_user_enabled,
@@ -1321,7 +1327,7 @@ static struct ctl_table vm_table[] = {
.maxlen = sizeof(percpu_pagelist_fraction),
.mode = 0644,
.proc_handler = percpu_pagelist_fraction_sysctl_handler,
- .extra1 = &min_percpu_pagelist_fract,
+ .extra1 = &zero,
},
#ifdef CONFIG_MMU
{
@@ -2568,11 +2574,11 @@ int proc_do_large_bitmap(struct ctl_table *table, int write,
bool first = 1;
size_t left = *lenp;
unsigned long bitmap_len = table->maxlen;
- unsigned long *bitmap = (unsigned long *) table->data;
+ unsigned long *bitmap = *(unsigned long **) table->data;
unsigned long *tmp_bitmap = NULL;
char tr_a[] = { '-', ',', '\n' }, tr_b[] = { ',', '\n', 0 }, c;
- if (!bitmap_len || !left || (*ppos && !write)) {
+ if (!bitmap || !bitmap_len || !left || (*ppos && !write)) {
*lenp = 0;
return 0;
}