diff options
Diffstat (limited to 'Documentation/sysctl')
| -rw-r--r-- | Documentation/sysctl/vm.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index 9baf66a9ef4e..30fd16b14196 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -157,6 +157,10 @@ Note: the minimum value allowed for dirty_bytes is two pages (in bytes); any value lower than this limit will be ignored and the old configuration will be retained. +Note: the value of dirty_bytes also must be set greater than +dirty_background_bytes or the amount of memory corresponding to +dirty_background_ratio. + ============================================================== dirty_expire_centisecs @@ -176,6 +180,9 @@ generating disk writes will itself start writing out dirty data. The total available memory is not equal to total system memory. +Note: dirty_ratio must be set greater than dirty_background_ratio or +ratio corresponding to dirty_background_bytes. + ============================================================== dirty_writeback_centisecs |