Editing Swappolube
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** Checkbox: if checked will propagate a "1", if not checked it will be a "0" , i.e. set True or False for this option. | ** Checkbox: if checked will propagate a "1", if not checked it will be a "0" , i.e. set True or False for this option. | ||
- | [[Image:swappolubeMain.png| | + | ''note'': since version [[Swappolube#1.4-1]] the application supports rotation depending the orientation of the device. |
+ | |||
+ | [[Image:swappolubeMain.png|600px]] | ||
+ | [[Image:swappolubeMain_rotated.png|350px]] | ||
The centre part of the UI is a scrollable list. | The centre part of the UI is a scrollable list. | ||
Scrolling to the bottom will show all available options as well as the button to store a custom version of the settings. | Scrolling to the bottom will show all available options as well as the button to store a custom version of the settings. | ||
- | [[Image:swappolubeMain2.png| | + | [[Image:swappolubeMain2.png|600px]] |
- | + | [[Image:swappolubeMain2_rotated.png|350px]] | |
- | + | ||
- | + | ||
- | + | ||
- | [[Image:swappolubeMain2_rotated.png| | + | |
====Current Button==== | ====Current Button==== | ||
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(like all the rest of the windows it supports rotation). | (like all the rest of the windows it supports rotation). | ||
- | [[Image:swappolube_about1.png| | + | [[Image:swappolube_about1.png|360px]] |
- | [[Image:swappolube_about2.png| | + | [[Image:swappolube_about2.png|360px]] |
==Explanation of options== | ==Explanation of options== | ||
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===Laptop Mode=== | ===Laptop Mode=== | ||
- | * Description: When the | + | * Description: laptop_mode is a knob that controls "laptop mode". When the knob is set, any physical disk I/O (that might have caused the hard disk to spin up, see <code>/proc/sys/vm/block_dump</code>) causes Linux to flush all dirty blocks. The result of this is that after a disk has spun down, it will not be spun up anymore to write dirty blocks, because those blocks had already been written immediately after the most recent read operation. The value of the laptop_mode knob determines the time between the occurrence of disk I/O and when the flush is triggered. A sensible value for the knob is 5 seconds. Setting the knob to 0 disables laptop mode. |
* Default: "0" | * Default: "0" | ||
* Suggested: "1" | * Suggested: "1" | ||
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===oom_kill_allocating_task=== | ===oom_kill_allocating_task=== | ||
- | * Description: This enables or disables killing the OOM-triggering task in out-of-memory situations. If this is set to zero, the OOM killer will scan through the entire tasklist and select a task based on heuristics to kill. This normally selects a rogue memory-hogging task that frees up a large amount of memory when killed. If this is set to non-zero, the OOM killer simply kills the task that triggered the out-of-memory condition. This avoids the expensive tasklist scan | + | * Description: This enables or disables killing the OOM-triggering task in out-of-memory situations. If this is set to zero, the OOM killer will scan through the entire tasklist and select a task based on heuristics to kill. This normally selects a rogue memory-hogging task that frees up a large amount of memory when killed. If this is set to non-zero, the OOM killer simply kills the task that triggered the out-of-memory condition. This avoids the expensive tasklist scan. If panic_on_oom is selected, it takes precedence over whatever value is used in oom_kill_allocating_task. Taken from: [http://www.linuxinsight.com/proc_sys_vm_oom_kill_allocating_task.html] |
* Default: "0" | * Default: "0" | ||
* Suggested: "1" | * Suggested: "1" | ||
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===tcp_timestamps=== | ===tcp_timestamps=== | ||
- | * Description: Enable timestamps as defined in RFC1323. [http://www.linuxinsight.com/proc_sys_net_ipv4_tcp_timestamps.html] | + | * Description: Enable timestamps as defined in RFC1323. [http://www.linuxinsight.com/proc_sys_net_ipv4_tcp_timestamps.html] |
* Default: "1" | * Default: "1" | ||
* Suggested: "0" | * Suggested: "0" | ||
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==Versions== | ==Versions== | ||
- | ===1.4-2 ([http://maemo.org/downloads/product/Maemo5/swappolube/ | + | ===1.4-2 ([http://maemo.org/downloads/product/Maemo5/swappolube/ current])=== |
====Changelog==== | ====Changelog==== |
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