![Wanpeng Li](/assets/img/avatar_default.png)
Since per-BDI flusher threads were introduced in 2.6, the pdflush mechanism is not used any more. But the old interface exported through /proc/sys/vm/nr_pdflush_threads still exists and is obviously useless. For back-compatibility, printk warning information and return 2 to notify the users that the interface is removed. Signed-off-by: Wanpeng Li <liwp@linux.vnet.ibm.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
6 lines
248 B
Plaintext
6 lines
248 B
Plaintext
What: /proc/sys/vm/nr_pdflush_threads
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Date: June 2012
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Contact: Wanpeng Li <liwp@linux.vnet.ibm.com>
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Description: Since pdflush is replaced by per-BDI flusher, the interface of old pdflush
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exported in /proc/sys/vm/ should be removed.
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