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authorJohannes Weiner <hannes@cmpxchg.org>2016-01-20 15:02:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-20 17:09:18 -0800
commit489c2a20a414351fe0813a727c34600c0f7292ae (patch)
tree3e1417700db70366ac8d9a73b38958c3904732db /init
parent04823c833b3eaef7816e28e3727124394f6bb3c3 (diff)
downloadlinux-stericsson-489c2a20a414351fe0813a727c34600c0f7292ae.tar.gz
mm: memcontrol: introduce CONFIG_MEMCG_LEGACY_KMEM
Let the user know that CONFIG_MEMCG_KMEM does not apply to the cgroup2 interface. This also makes legacy-only code sections stand out better. [arnd@arndb.de: mm: memcontrol: only manage socket pressure for CONFIG_INET] Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Tejun Heo <tj@kernel.org> Acked-by: Vladimir Davydov <vdavydov@virtuozzo.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig10
1 files changed, 9 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 5b86082fa238..a0a15cec8daf 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -964,10 +964,13 @@ 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).
+config MEMCG_LEGACY_KMEM
+ bool
config MEMCG_KMEM
- bool "Memory Resource Controller Kernel Memory accounting"
+ bool "Legacy Memory Resource Controller Kernel Memory accounting"
depends on MEMCG
depends on SLUB || SLAB
+ select MEMCG_LEGACY_KMEM
help
The Kernel Memory extension for Memory Resource Controller can limit
the amount of memory used by kernel objects in the system. Those are
@@ -1071,6 +1074,11 @@ config CGROUP_FREEZER
Provides a way to freeze and unfreeze all tasks in a
cgroup.
+ This option affects the ORIGINAL cgroup interface. The cgroup2 memory
+ controller includes important in-kernel memory consumers per default.
+
+ If you're using cgroup2, say N.
+
config CGROUP_HUGETLB
bool "HugeTLB controller"
depends on HUGETLB_PAGE