Diffstat (limited to 'Documentation/cgroups/resource_counter.txt')
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/cgroups/resource_counter.txt b/Documentation/cgroups/resource_counter.txt
index 95b24d766ea..0c4a344e78f 100644
@@ -77,11 +77,11 @@ to work with it.
where the charging failed.
d. int res_counter_charge_locked
- (struct res_counter *rc, unsigned long val)
+ (struct res_counter *rc, unsigned long val, bool force)
The same as res_counter_charge(), but it must not acquire/release the
res_counter->lock internally (it must be called with res_counter->lock
+ held). The force parameter indicates whether we can bypass the limit.
e. void res_counter_uncharge[_locked]
(struct res_counter *rc, unsigned long val)
@@ -92,6 +92,14 @@ to work with it.
The _locked routines imply that the res_counter->lock is taken.
+ f. void res_counter_uncharge_until
+ (struct res_counter *rc, struct res_counter *top,
+ unsinged long val)
+ Almost same as res_cunter_uncharge() but propagation of uncharge
+ stops when rc == top. This is useful when kill a res_coutner in
+ child cgroup.
2.1 Other accounting routines
There are more routines that may help you with common needs, like