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| author | Olof Johansson <olof@lixom.net> | 2012-09-05 15:35:48 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-09-05 15:35:48 -0700 |
| commit | 1875962377574b4edb7b164001e3e341c25290d5 (patch) | |
| tree | 374a5299403ec21e2d9a66a6548ce876a388b589 /Documentation/sysctl/vm.txt | |
| parent | 5cbee140a28c2746449ae31e85738043ae4da927 (diff) | |
| parent | c88a79a7789b2909ad1cf69ea2c9142030bbd6f4 (diff) | |
| download | op-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.zip op-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.tar.gz | |
Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs'
+ sync to 3.6-rc3
Diffstat (limited to 'Documentation/sysctl/vm.txt')
| -rw-r--r-- | Documentation/sysctl/vm.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index dcc2a94..078701f 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -76,8 +76,8 @@ huge pages although processes will also directly compact memory as required. dirty_background_bytes -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. dirty_background_ratio 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. dirty_expire_centisecs 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. dirty_writeback_centisecs -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. |
