diff options
Diffstat (limited to 'kernel/res_counter.c')
| -rw-r--r-- | kernel/res_counter.c | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/kernel/res_counter.c b/kernel/res_counter.c index 88faec23e833..bcdabf37c40b 100644 --- a/kernel/res_counter.c +++ b/kernel/res_counter.c | |||
| @@ -37,27 +37,17 @@ int res_counter_charge_locked(struct res_counter *counter, unsigned long val) | |||
| 37 | } | 37 | } |
| 38 | 38 | ||
| 39 | int res_counter_charge(struct res_counter *counter, unsigned long val, | 39 | int res_counter_charge(struct res_counter *counter, unsigned long val, |
| 40 | struct res_counter **limit_fail_at, | 40 | struct res_counter **limit_fail_at) |
| 41 | struct res_counter **soft_limit_fail_at) | ||
| 42 | { | 41 | { |
| 43 | int ret; | 42 | int ret; |
| 44 | unsigned long flags; | 43 | unsigned long flags; |
| 45 | struct res_counter *c, *u; | 44 | struct res_counter *c, *u; |
| 46 | 45 | ||
| 47 | *limit_fail_at = NULL; | 46 | *limit_fail_at = NULL; |
| 48 | if (soft_limit_fail_at) | ||
| 49 | *soft_limit_fail_at = NULL; | ||
| 50 | local_irq_save(flags); | 47 | local_irq_save(flags); |
| 51 | for (c = counter; c != NULL; c = c->parent) { | 48 | for (c = counter; c != NULL; c = c->parent) { |
| 52 | spin_lock(&c->lock); | 49 | spin_lock(&c->lock); |
| 53 | ret = res_counter_charge_locked(c, val); | 50 | ret = res_counter_charge_locked(c, val); |
| 54 | /* | ||
| 55 | * With soft limits, we return the highest ancestor | ||
| 56 | * that exceeds its soft limit | ||
| 57 | */ | ||
| 58 | if (soft_limit_fail_at && | ||
| 59 | !res_counter_soft_limit_check_locked(c)) | ||
| 60 | *soft_limit_fail_at = c; | ||
| 61 | spin_unlock(&c->lock); | 51 | spin_unlock(&c->lock); |
| 62 | if (ret < 0) { | 52 | if (ret < 0) { |
| 63 | *limit_fail_at = c; | 53 | *limit_fail_at = c; |
| @@ -85,8 +75,7 @@ void res_counter_uncharge_locked(struct res_counter *counter, unsigned long val) | |||
| 85 | counter->usage -= val; | 75 | counter->usage -= val; |
| 86 | } | 76 | } |
| 87 | 77 | ||
| 88 | void res_counter_uncharge(struct res_counter *counter, unsigned long val, | 78 | void res_counter_uncharge(struct res_counter *counter, unsigned long val) |
| 89 | bool *was_soft_limit_excess) | ||
| 90 | { | 79 | { |
| 91 | unsigned long flags; | 80 | unsigned long flags; |
| 92 | struct res_counter *c; | 81 | struct res_counter *c; |
| @@ -94,9 +83,6 @@ void res_counter_uncharge(struct res_counter *counter, unsigned long val, | |||
| 94 | local_irq_save(flags); | 83 | local_irq_save(flags); |
| 95 | for (c = counter; c != NULL; c = c->parent) { | 84 | for (c = counter; c != NULL; c = c->parent) { |
| 96 | spin_lock(&c->lock); | 85 | spin_lock(&c->lock); |
| 97 | if (was_soft_limit_excess) | ||
| 98 | *was_soft_limit_excess = | ||
| 99 | !res_counter_soft_limit_check_locked(c); | ||
| 100 | res_counter_uncharge_locked(c, val); | 86 | res_counter_uncharge_locked(c, val); |
| 101 | spin_unlock(&c->lock); | 87 | spin_unlock(&c->lock); |
| 102 | } | 88 | } |
