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res_counter: remove interface for locked charging and uncharging

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The res_counter_{charge,uncharge}_locked() variants are not used in the
kernel outside of the resource counter code itself, so remove the
interface.

Signed-off-by: David Rientjes <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Jianguo Wu <[email protected]>
Cc: Tim Hockin <[email protected]>
Cc: Christoph Lameter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Rientjes 2014-04-07 15:37:32 -07:00 • committed by Linus Torvalds
commit 539a13b47e
3 changed files with 15 additions and 26 deletions
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12
Documentation/cgroups/resource_counter.txt
View file

@ -76,15 +76,7 @@ to work with it.
limit_fail_at parameter is set to the particular res_counter element
where the charging failed.
d. int res_counter_charge_locked
(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. u64 res_counter_uncharge[_locked]
(struct res_counter *rc, unsigned long val)
d. u64 res_counter_uncharge(struct res_counter *rc, unsigned long val)
When a resource is released (freed) it should be de-accounted
from the resource counter it was accounted to. This is called
@ -93,7 +85,7 @@ to work with it.
The _locked routines imply that the res_counter->lock is taken.
f. u64 res_counter_uncharge_until
e. u64 res_counter_uncharge_until
(struct res_counter *rc, struct res_counter *top,
unsigned long val)