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Merge branch 'master' of git://1984.lsi.us.es/net-next-2.6
Conflicts: net/ipv4/route.c Signed-off-by: Patrick McHardy <kaber@trash.net>
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| Original file line number | Diff line number | Diff line change |
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| What: /proc/<pid>/oom_adj | ||
| When: August 2012 | ||
| Why: /proc/<pid>/oom_adj allows userspace to influence the oom killer's | ||
| badness heuristic used to determine which task to kill when the kernel | ||
| is out of memory. | ||
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| The badness heuristic has since been rewritten since the introduction of | ||
| this tunable such that its meaning is deprecated. The value was | ||
| implemented as a bitshift on a score generated by the badness() | ||
| function that did not have any precise units of measure. With the | ||
| rewrite, the score is given as a proportion of available memory to the | ||
| task allocating pages, so using a bitshift which grows the score | ||
| exponentially is, thus, impossible to tune with fine granularity. | ||
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| A much more powerful interface, /proc/<pid>/oom_score_adj, was | ||
| introduced with the oom killer rewrite that allows users to increase or | ||
| decrease the badness() score linearly. This interface will replace | ||
| /proc/<pid>/oom_adj. | ||
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| A warning will be emitted to the kernel log if an application uses this | ||
| deprecated interface. After it is printed once, future warnings will be | ||
| suppressed until the kernel is rebooted. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,83 @@ | ||
| What: /sys/bus/rbd/ | ||
| Date: November 2010 | ||
| Contact: Yehuda Sadeh <yehuda@hq.newdream.net>, | ||
| Sage Weil <sage@newdream.net> | ||
| Description: | ||
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| Being used for adding and removing rbd block devices. | ||
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| Usage: <mon ip addr> <options> <pool name> <rbd image name> [snap name] | ||
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| $ echo "192.168.0.1 name=admin rbd foo" > /sys/bus/rbd/add | ||
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| The snapshot name can be "-" or omitted to map the image read/write. A <dev-id> | ||
| will be assigned for any registered block device. If snapshot is used, it will | ||
| be mapped read-only. | ||
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| Removal of a device: | ||
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| $ echo <dev-id> > /sys/bus/rbd/remove | ||
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| Entries under /sys/bus/rbd/devices/<dev-id>/ | ||
| -------------------------------------------- | ||
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| client_id | ||
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| The ceph unique client id that was assigned for this specific session. | ||
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| major | ||
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| The block device major number. | ||
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| name | ||
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| The name of the rbd image. | ||
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| pool | ||
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| The pool where this rbd image resides. The pool-name pair is unique | ||
| per rados system. | ||
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| size | ||
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| The size (in bytes) of the mapped block device. | ||
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| refresh | ||
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| Writing to this file will reread the image header data and set | ||
| all relevant datastructures accordingly. | ||
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| current_snap | ||
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| The current snapshot for which the device is mapped. | ||
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| create_snap | ||
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| Create a snapshot: | ||
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| $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_create | ||
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| rollback_snap | ||
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| Rolls back data to the specified snapshot. This goes over the entire | ||
| list of rados blocks and sends a rollback command to each. | ||
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| $ echo <snap-name> > /sys/bus/rbd/devices/<dev-id>/snap_rollback | ||
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| snap_* | ||
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| A directory per each snapshot | ||
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| Entries under /sys/bus/rbd/devices/<dev-id>/snap_<snap-name> | ||
| ------------------------------------------------------------- | ||
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| id | ||
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| The rados internal snapshot id assigned for this snapshot | ||
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| size | ||
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| The size of the image when this snapshot was taken. | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,14 @@ | ||
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| What: /sys/class/net/<iface>/batman-adv/mesh_iface | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| The /sys/class/net/<iface>/batman-adv/mesh_iface file | ||
| displays the batman mesh interface this <iface> | ||
| currently is associated with. | ||
|
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||
| What: /sys/class/net/<iface>/batman-adv/iface_status | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Indicates the status of <iface> as it is seen by batman. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,69 @@ | ||
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| What: /sys/class/net/<mesh_iface>/mesh/aggregated_ogms | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Indicates whether the batman protocol messages of the | ||
| mesh <mesh_iface> shall be aggregated or not. | ||
|
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||
| What: /sys/class/net/<mesh_iface>/mesh/bonding | ||
| Date: June 2010 | ||
| Contact: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> | ||
| Description: | ||
| Indicates whether the data traffic going through the | ||
| mesh will be sent using multiple interfaces at the | ||
| same time (if available). | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/fragmentation | ||
| Date: October 2010 | ||
| Contact: Andreas Langer <an.langer@gmx.de> | ||
| Description: | ||
| Indicates whether the data traffic going through the | ||
| mesh will be fragmented or silently discarded if the | ||
| packet size exceeds the outgoing interface MTU. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth | ||
| Date: October 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the bandwidth which is propagated by this | ||
| node if gw_mode was set to 'server'. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/gw_mode | ||
| Date: October 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the state of the gateway features. Can be | ||
| either 'off', 'client' or 'server'. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/gw_sel_class | ||
| Date: October 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the selection criteria this node will use | ||
| to choose a gateway if gw_mode was set to 'client'. | ||
|
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||
| What: /sys/class/net/<mesh_iface>/mesh/orig_interval | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Defines the interval in milliseconds in which batman | ||
| sends its protocol messages. | ||
|
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| What: /sys/class/net/<mesh_iface>/mesh/hop_penalty | ||
| Date: Oct 2010 | ||
| Contact: Linus Lüssing <linus.luessing@web.de> | ||
| Description: | ||
| Defines the penalty which will be applied to an | ||
| originator message's tq-field on every hop. | ||
|
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||
| What: /sys/class/net/<mesh_iface>/mesh/vis_mode | ||
| Date: May 2010 | ||
| Contact: Marek Lindner <lindner_marek@yahoo.de> | ||
| Description: | ||
| Each batman node only maintains information about its | ||
| own local neighborhood, therefore generating graphs | ||
| showing the topology of the entire mesh is not easily | ||
| feasible without having a central instance to collect | ||
| the local topologies from all nodes. This file allows | ||
| to activate the collecting (server) mode. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| What: /sys/devices/platform/eeepc-wmi/cpufv | ||
| Date: Oct 2010 | ||
| KernelVersion: 2.6.37 | ||
| Contact: "Corentin Chary" <corentincj@iksaif.net> | ||
| Description: | ||
| Change CPU clock configuration (write-only). | ||
| There are three available clock configuration: | ||
| * 0 -> Super Performance Mode | ||
| * 1 -> High Performance Mode | ||
| * 2 -> Power Saving Mode |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| What: /sys/class/tty/console/active | ||
| Date: Nov 2010 | ||
| Contact: Kay Sievers <kay.sievers@vrfy.org> | ||
| Description: | ||
| Shows the list of currently configured | ||
| console devices, like 'tty1 ttyS0'. | ||
| The last entry in the file is the active | ||
| device connected to /dev/console. | ||
| The file supports poll() to detect virtual | ||
| console switches. | ||
|
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| What: /sys/class/tty/tty0/active | ||
| Date: Nov 2010 | ||
| Contact: Kay Sievers <kay.sievers@vrfy.org> | ||
| Description: | ||
| Shows the currently active virtual console | ||
| device, like 'tty1'. | ||
| The file supports poll() to detect virtual | ||
| console switches. |
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