|author||Johannes Weiner <firstname.lastname@example.org>||2016-01-20 15:02:47 -0800|
|committer||Linus Torvalds <email@example.com>||2016-01-20 17:09:18 -0800|
mm: memcontrol: rein in the CONFIG space madness
What CONFIG_INET and CONFIG_LEGACY_KMEM guard inside the memory controller code is insignificant, having these conditionals is not worth the complication and fragility that comes with them. [firstname.lastname@example.org: rework mem_cgroup_css_free() statement ordering] Signed-off-by: Johannes Weiner <email@example.com> Cc: Michal Hocko <firstname.lastname@example.org> Acked-by: Vladimir Davydov <email@example.com> Signed-off-by: Andrew Morton <firstname.lastname@example.org> Signed-off-by: Linus Torvalds <email@example.com>
Diffstat (limited to 'init')
1 files changed, 3 insertions, 18 deletions
diff --git a/init/Kconfig b/init/Kconfig
index a0a15cec8daf..22320804fbaf 100644
@@ -964,20 +964,6 @@ config MEMCG_SWAP_ENABLED
For those who want to have the feature enabled by default should
select this option (if, for some reason, they need to disable it
then swapaccount=0 does the trick).
- bool "Legacy Memory Resource Controller Kernel Memory accounting"
- depends on MEMCG
- depends on SLUB || SLAB
- select MEMCG_LEGACY_KMEM
- The Kernel Memory extension for Memory Resource Controller can limit
- the amount of memory used by kernel objects in the system. Those are
- fundamentally different from the entities handled by the standard
- Memory Controller, which are page-based, and can be swapped. Users of
- the kmem extension can use it to guarantee that no group of processes
- will ever exhaust kernel resources alone.
bool "IO controller"
@@ -1190,10 +1176,9 @@ config USER_NS
to provide different user info for different servers.
When user namespaces are enabled in the kernel it is
- recommended that the MEMCG and MEMCG_KMEM options also be
- enabled and that user-space use the memory control groups to
- limit the amount of memory a memory unprivileged users can
+ recommended that the MEMCG option also be enabled and that
+ user-space use the memory control groups to limit the amount
+ of memory a memory unprivileged users can use.
If unsure, say N.