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-rw-r--r--kernel/sysctl.c51
1 files changed, 40 insertions, 11 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c5ef44ff850f..72eb1a41dcab 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -48,6 +48,7 @@
#include <linux/acpi.h>
#include <linux/reboot.h>
#include <linux/ftrace.h>
+#include <linux/slow-work.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
@@ -95,14 +96,12 @@ static int sixty = 60;
static int neg_one = -1;
#endif
-#if defined(CONFIG_MMU) && defined(CONFIG_FILE_LOCKING)
-static int two = 2;
-#endif
-
static int zero;
-static int one = 1;
+static int __maybe_unused one = 1;
+static int __maybe_unused two = 2;
static unsigned long one_ul = 1;
static int one_hundred = 100;
+static int one_thousand = 1000;
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
static int maxolduid = 65535;
@@ -900,6 +899,14 @@ static struct ctl_table kern_table[] = {
.proc_handler = &scan_unevictable_handler,
},
#endif
+#ifdef CONFIG_SLOW_WORK
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "slow-work",
+ .mode = 0555,
+ .child = slow_work_sysctls,
+ },
+#endif
/*
* NOTE: do not add new entries to this table unless you have read
* Documentation/sysctl/ctl_unnumbered.txt
@@ -1010,7 +1017,7 @@ static struct ctl_table vm_table[] = {
.data = &dirty_expire_interval,
.maxlen = sizeof(dirty_expire_interval),
.mode = 0644,
- .proc_handler = &proc_dointvec_userhz_jiffies,
+ .proc_handler = &proc_dointvec,
},
{
.ctl_name = VM_NR_PDFLUSH_THREADS,
@@ -1021,6 +1028,28 @@ static struct ctl_table vm_table[] = {
.proc_handler = &proc_dointvec,
},
{
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "nr_pdflush_threads_min",
+ .data = &nr_pdflush_threads_min,
+ .maxlen = sizeof nr_pdflush_threads_min,
+ .mode = 0644 /* read-write */,
+ .proc_handler = &proc_dointvec_minmax,
+ .strategy = &sysctl_intvec,
+ .extra1 = &one,
+ .extra2 = &nr_pdflush_threads_max,
+ },
+ {
+ .ctl_name = CTL_UNNUMBERED,
+ .procname = "nr_pdflush_threads_max",
+ .data = &nr_pdflush_threads_max,
+ .maxlen = sizeof nr_pdflush_threads_max,
+ .mode = 0644 /* read-write */,
+ .proc_handler = &proc_dointvec_minmax,
+ .strategy = &sysctl_intvec,
+ .extra1 = &nr_pdflush_threads_min,
+ .extra2 = &one_thousand,
+ },
+ {
.ctl_name = VM_SWAPPINESS,
.procname = "swappiness",
.data = &vm_swappiness,
@@ -1373,10 +1402,7 @@ static struct ctl_table fs_table[] = {
.data = &lease_break_time,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
- .strategy = &sysctl_intvec,
- .extra1 = &zero,
- .extra2 = &two,
+ .proc_handler = &proc_dointvec,
},
#endif
#ifdef CONFIG_AIO
@@ -1417,7 +1443,10 @@ static struct ctl_table fs_table[] = {
.data = &suid_dumpable,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec_minmax,
+ .strategy = &sysctl_intvec,
+ .extra1 = &zero,
+ .extra2 = &two,
},
#if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE)
{