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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 <rientjes@google.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: Tim Hockin <thockin@google.com>
Cc: Christoph Lameter <cl@linux.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Rientjes
2014-04-07 15:37:32 -07:00
committed by Linus Torvalds
parent f0432d1596
commit 539a13b47e
3 changed files with 15 additions and 26 deletions
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23
kernel/res_counter.c
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@@ -22,8 +22,18 @@ void res_counter_init(struct res_counter *counter, struct res_counter *parent)
counter->parent = parent;
}
int res_counter_charge_locked(struct res_counter *counter, unsigned long val,
bool force)
static u64 res_counter_uncharge_locked(struct res_counter *counter,
unsigned long val)
{
if (WARN_ON(counter->usage < val))
val = counter->usage;
counter->usage -= val;
return counter->usage;
}
static int res_counter_charge_locked(struct res_counter *counter,
unsigned long val, bool force)
{
int ret = 0;
@@ -86,15 +96,6 @@ int res_counter_charge_nofail(struct res_counter *counter, unsigned long val,
return __res_counter_charge(counter, val, limit_fail_at, true);
}
u64 res_counter_uncharge_locked(struct res_counter *counter, unsigned long val)
{
if (WARN_ON(counter->usage < val))
val = counter->usage;
counter->usage -= val;
return counter->usage;
}
u64 res_counter_uncharge_until(struct res_counter *counter,
struct res_counter *top,
unsigned long val)