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authorWanpeng Li <liwp@linux.vnet.ibm.com>2012-08-01 03:41:52 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-01 05:42:40 +0400
commit3965c9ae47d64aadf6f13b6fcd37767b83c0689a (patch)
tree9896fbd841edbaa8e374b593ad0f7b96191cda5d /Documentation/feature-removal-schedule.txt
parentdeaf386ee58d5336bbef8959bf304573afb67c20 (diff)
downloadlinux-3965c9ae47d64aadf6f13b6fcd37767b83c0689a.tar.xz
mm: prepare for removal of obsolete /proc/sys/vm/nr_pdflush_threads
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>
Diffstat (limited to 'Documentation/feature-removal-schedule.txt')
-rw-r--r--Documentation/feature-removal-schedule.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index e9237fb71950..88f2fa48bb63 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -13,6 +13,14 @@ Who: Jim Cromie <jim.cromie@gmail.com>, Jason Baron <jbaron@redhat.com>
---------------------------
+What: /proc/sys/vm/nr_pdflush_threads
+When: 2012
+Why: Since pdflush is deprecated, the interface exported in /proc/sys/vm/
+ should be removed.
+Who: Wanpeng Li <liwp@linux.vnet.ibm.com>
+
+---------------------------
+
What: CONFIG_APM_CPU_IDLE, and its ability to call APM BIOS in idle
When: 2012
Why: This optional sub-feature of APM is of dubious reliability,