sysctl: remove /proc/sys/vm/nr_pdflush_threads (b35bd0d9) · Commits · 戴 / test

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. Reviewed-by:

Jan Kara <jack@suse.cz> Signed-off-by:

Jens Axboe <axboe@kernel.dk>

Documentation/ABI/obsolete/proc-sys-vm-nr_pdflush_threads

deleted100644 → 0

+0 −5

Original line number	Diff line number	Diff line
		What: /proc/sys/vm/nr_pdflush_threads
		Date: June 2012
		Contact: Wanpeng Li <liwp@linux.vnet.ibm.com>
		Description: Since pdflush is replaced by per-BDI flusher, the interface of old pdflush
		exported in /proc/sys/vm/ should be removed.

kernel/sysctl.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -1344,11 +1344,6 @@ static struct ctl_table vm_table[] = {
		.proc_handler = dirtytime_interval_handler,
		.extra1 = &zero,
		},
		{
		.procname = "nr_pdflush_threads",
		.mode = 0444 /* read-only */,
		.proc_handler = pdflush_proc_obsolete,
		},
		{
		.procname = "swappiness",
		.data = &vm_swappiness,

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