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author | Li Zefan <lizf@cn.fujitsu.com> | 2009-02-18 22:48:14 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-02-18 23:37:53 (GMT) |
commit | b851ee7921fabdd7dfc96ffc4e9609f5062bd12b (patch) | |
tree | 7f226e34bbb825d3fdb6967f5c4fb77d5983eb06 /Documentation/cgroups/cgroups.txt | |
parent | b6d6c5175809934e04a606d9193ef04924a7a7d9 (diff) | |
download | linux-b851ee7921fabdd7dfc96ffc4e9609f5062bd12b.tar.xz |
cgroups: update documentation about css_set hash table
The css_set hash table was introduced in 2.6.26, so update the
documentation accordingly.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/cgroups/cgroups.txt')
-rw-r--r-- | Documentation/cgroups/cgroups.txt | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt index d9e5d6f..93feb84 100644 --- a/Documentation/cgroups/cgroups.txt +++ b/Documentation/cgroups/cgroups.txt @@ -252,10 +252,8 @@ cgroup file system directories. When a task is moved from one cgroup to another, it gets a new css_set pointer - if there's an already existing css_set with the desired collection of cgroups then that group is reused, else a new -css_set is allocated. Note that the current implementation uses a -linear search to locate an appropriate existing css_set, so isn't -very efficient. A future version will use a hash table for better -performance. +css_set is allocated. The appropriate existing css_set is located by +looking into a hash table. To allow access from a cgroup to the css_sets (and hence tasks) that comprise it, a set of cg_cgroup_link objects form a lattice; |