diff options
| author | Aristeu Rozanski <arozansk@redhat.com> | 2016-10-27 17:46:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-27 18:43:43 -0700 |
| commit | 8c8d4d45204902e144abc0f15b7c658828028fa1 (patch) | |
| tree | eda6025c8e81a1a5f2a7ebe8e737fd8004a3a435 /net | |
| parent | 07a63c41fa1f6533f5668e5b33a295bfd63aa534 (diff) | |
ipc: account for kmem usage on mqueue and msg
When kmem accounting switched from account by default to only account if
flagged by __GFP_ACCOUNT, IPC mqueue and messages was left out.
The production use case at hand is that mqueues should be customizable
via sysctls in Docker containers in a Kubernetes cluster. This can only
be safely allowed to the users of the cluster (without the risk that
they can cause resource shortage on a node, influencing other users'
containers) if all resources they control are bounded, i.e. accounted
for.
Link: http://lkml.kernel.org/r/1476806075-1210-1-git-send-email-arozansk@redhat.com
Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
Reported-by: Stefan Schimanski <sttts@redhat.com>
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Stefan Schimanski <sttts@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions