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Commit 67de0162 authored by Jörg Sommer's avatar Jörg Sommer Committed by Linus Torvalds
Browse files

Documentation: fix cgroup typos and formatting 



Fix format and spelling.

Signed-off-by: default avatarJörg Sommer <joerg@alea.gnuu.de>
Acked-by: default avatarPaul Menage <menage@google.com>
Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f6e07d38

Documentation/cgroups/blkio-controller.txt

+1 −1
Original line number Original line Diff line number Diff line
@@ -111,7 +111,7 @@ Hierarchical Cgroups 
  CFQ and throttling will practically treat all groups at same level.

  CFQ and throttling will practically treat all groups at same level.





				pivot

				pivot

			     /  |   \  \

			     /  /   \  \

			root  test1 test2  test3

			root  test1 test2  test3





  Down the line we can implement hierarchical accounting/control support

  Down the line we can implement hierarchical accounting/control support

Documentation/cgroups/cgroups.txt

+1 −1
Original line number Original line Diff line number Diff line
@@ -142,7 +142,7 @@ and depending on who is launching the browser he can 




With only a single hierarchy, he now would potentially have to create

With only a single hierarchy, he now would potentially have to create

a separate cgroup for every browser launched and associate it with

a separate cgroup for every browser launched and associate it with

approp network and other resource class.  This may lead to

appropriate network and other resource class.  This may lead to

proliferation of such cgroups.

proliferation of such cgroups.





Also lets say that the administrator would like to give enhanced network

Also lets say that the administrator would like to give enhanced network

Documentation/cgroups/memory.txt

+11 −11
Original line number Original line Diff line number Diff line 
Memory Resource Controller

Memory Resource Controller





NOTE: The Memory Resource Controller has been generically been referred

NOTE: The Memory Resource Controller has generically been referred to as the

      to as the memory controller in this document. Do not confuse memory

      memory controller in this document. Do not confuse memory controller

      controller used here with the memory controller that is used in hardware.

      used here with the memory controller that is used in hardware.





(For editors)

(For editors)

In this document:

In this document:
@@ -182,7 +182,7 @@ behind this approach is that a cgroup that aggressively uses a shared 
page will eventually get charged for it (once it is uncharged from

page will eventually get charged for it (once it is uncharged from

the cgroup that brought it in -- this will happen on memory pressure).

the cgroup that brought it in -- this will happen on memory pressure).





Exception: If CONFIG_CGROUP_CGROUP_MEM_RES_CTLR_SWAP is not used..

Exception: If CONFIG_CGROUP_CGROUP_MEM_RES_CTLR_SWAP is not used.

When you do swapoff and make swapped-out pages of shmem(tmpfs) to

When you do swapoff and make swapped-out pages of shmem(tmpfs) to

be backed into memory in force, charges for pages are accounted against the

be backed into memory in force, charges for pages are accounted against the

caller of swapoff rather than the users of shmem.

caller of swapoff rather than the users of shmem.
@@ -214,7 +214,7 @@ affecting global LRU, memory+swap limit is better than just limiting swap from 
OS point of view.

OS point of view.





* What happens when a cgroup hits memory.memsw.limit_in_bytes

* What happens when a cgroup hits memory.memsw.limit_in_bytes

When a cgroup his memory.memsw.limit_in_bytes, it's useless to do swap-out

When a cgroup hits memory.memsw.limit_in_bytes, it's useless to do swap-out

in this cgroup. Then, swap-out will not be done by cgroup routine and file

in this cgroup. Then, swap-out will not be done by cgroup routine and file

caches are dropped. But as mentioned above, global LRU can do swapout memory

caches are dropped. But as mentioned above, global LRU can do swapout memory

from it for sanity of the system's memory management state. You can't forbid

from it for sanity of the system's memory management state. You can't forbid