3 files changed, 3 insertions, 27 deletions

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 382109b5baeb..a7267bfd3765 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1133,8 +1133,7 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
  free_cg_links:
         free_cg_links(&tmp_cg_links);
  drop_new_super:
-        up_write(&sb->s_umount);
-        deactivate_super(sb);
+        deactivate_locked_super(sb);
         return ret;
 }
 
diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index e4dcfb2272a4..9147a3190c9d 100644
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -1583,8 +1583,8 @@ static void sysrq_handle_gdb(int key, struct tty_struct *tty)
 
 static struct sysrq_key_op sysrq_gdb_op = {
         .handler        = sysrq_handle_gdb,
-        .help_msg       = "Gdb",
-        .action_msg     = "GDB",
+        .help_msg       = "debug(G)",
+        .action_msg     = "DEBUG",
 };
 #endif
 
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index ea78fa101ad6..b2970d56fb76 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -101,7 +101,6 @@ 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_doulongvec_minmax of vm_dirty_bytes */
 static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
@@ -1034,28 +1033,6 @@ 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,