1 files changed, 23 insertions, 0 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b125e3387568..72eb1a41dcab 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -101,6 +101,7 @@ 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;
@@ -1027,6 +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,