|author||Artem Bityutskiy <firstname.lastname@example.org>||2012-07-25 18:12:01 +0300|
|committer||Al Viro <email@example.com>||2012-08-04 12:15:09 +0400|
Documentation: fix the VM knobs descritpion WRT pdflush
The pdflush thread is long gone, however we still mention it incorrectly in the kernel documentation. This patch fixes the situation. Cc: Randy Dunlap <firstname.lastname@example.org> Signed-off-by: Artem Bityutskiy <email@example.com> Signed-off-by: Al Viro <firstname.lastname@example.org>
Diffstat (limited to 'Documentation/sysctl')
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index dcc2a94ae34..078701fdbd4 100644
@@ -76,8 +76,8 @@ huge pages although processes will also directly compact memory as required.
-Contains the amount of dirty memory at which the pdflush background writeback
-daemon will start writeback.
+Contains the amount of dirty memory at which the background kernel
+flusher threads will start writeback.
Note: dirty_background_bytes is the counterpart of dirty_background_ratio. Only
one of them may be specified at a time. When one sysctl is written it is
@@ -89,7 +89,7 @@ other appears as 0 when read.
Contains, as a percentage of total system memory, the number of pages at which
-the pdflush background writeback daemon will start writing out dirty data.
+the background kernel flusher threads will start writing out dirty data.
@@ -112,9 +112,9 @@ retained.
This tunable is used to define when dirty data is old enough to be eligible
-for writeout by the pdflush daemons. It is expressed in 100'ths of a second.
-Data which has been dirty in-memory for longer than this interval will be
-written out next time a pdflush daemon wakes up.
+for writeout by the kernel flusher threads. It is expressed in 100'ths
+of a second. Data which has been dirty in-memory for longer than this
+interval will be written out next time a flusher thread wakes up.
@@ -128,7 +128,7 @@ data.
-The pdflush writeback daemons will periodically wake up and write `old' data
+The kernel flusher threads will periodically wake up and write `old' data
out to disk. This tunable expresses the interval between those wakeups, in
100'ths of a second.