This tunable has been obsolete since 2.6.32, and writes to the
file have been failing and complaining in dmesg since then:
nr_pdflush_threads exported in /proc is scheduled for removal
That was 8 years ago. Remove the file ABI obsolete notice, and
the sysfs file.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
Documentation/ABI/obsolete/proc-sys-vm-nr_pdflush_threads | 5 -----
kernel/sysctl.c | 5 -----
2 files changed, 10 deletions(-)
delete mode 100644 Documentation/ABI/obsolete/proc-sys-vm-nr_pdflush_threads
diff --git a/Documentation/ABI/obsolete/proc-sys-vm-nr_pdflush_threads b/Documentation/ABI/obsolete/proc-sys-vm-nr_pdflush_threads
deleted file mode 100644
index b0b0eeb20fe3..000000000000
--- a/Documentation/ABI/obsolete/proc-sys-vm-nr_pdflush_threads
+++ /dev/null
@@ -1,5 +0,0 @@
-What: /proc/sys/vm/nr_pdflush_threads
-Date: June 2012
-Contact: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx>
-Description: Since pdflush is replaced by per-BDI flusher, the interface of old pdflush
- exported in /proc/sys/vm/ should be removed.
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 6648fbbb8157..a5dd8d82c253 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1345,11 +1345,6 @@ static struct ctl_table vm_table[] = {
.extra1 = &zero,
},
{
- .procname = "nr_pdflush_threads",
- .mode = 0444 /* read-only */,
- .proc_handler = pdflush_proc_obsolete,
- },
- {
.procname = "swappiness",
.data = &vm_swappiness,
.maxlen = sizeof(vm_swappiness),
--
2.7.4
