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| author | Parav Pandit <pandit.parav@gmail.com> | 2017-01-10 03:02:13 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-01-10 19:14:27 +0300 |
| commit | 39d3e7584a686541a3295ff1624d341e669e1afc (patch) | |
| tree | 611c0f26db570d8207fb22a8ca2b96392196f0a3 /init | |
| parent | 7b4632f048415263669676dda20fd5d811c3d3e4 (diff) | |
| download | linux-39d3e7584a686541a3295ff1624d341e669e1afc.tar.xz | |
rdmacg: Added rdma cgroup controller
Added rdma cgroup controller that does accounting, limit enforcement
on rdma/IB resources.
Added rdma cgroup header file which defines its APIs to perform
charging/uncharging functionality. It also defined APIs for RDMA/IB
stack for device registration. Devices which are registered will
participate in controller functions of accounting and limit
enforcements. It define rdmacg_device structure to bind IB stack
and RDMA cgroup controller.
RDMA resources are tracked using resource pool. Resource pool is per
device, per cgroup entity which allows setting up accounting limits
on per device basis.
Currently resources are defined by the RDMA cgroup.
Resource pool is created/destroyed dynamically whenever
charging/uncharging occurs respectively and whenever user
configuration is done. Its a tradeoff of memory vs little more code
space that creates resource pool object whenever necessary, instead of
creating them during cgroup creation and device registration time.
Signed-off-by: Parav Pandit <pandit.parav@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig index 223b734abccd..ef80d46a32b6 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1090,6 +1090,16 @@ config CGROUP_PIDS since the PIDs limit only affects a process's ability to fork, not to attach to a cgroup. +config CGROUP_RDMA + bool "RDMA controller" + help + Provides enforcement of RDMA resources defined by IB stack. + It is fairly easy for consumers to exhaust RDMA resources, which + can result into resource unavailability to other consumers. + RDMA controller is designed to stop this from happening. + Attaching processes with active RDMA resources to the cgroup + hierarchy is allowed even if can cross the hierarchy's limit. + config CGROUP_FREEZER bool "Freezer controller" help |