diff options
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 269cd3c1110f..61b170324e5c 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -217,15 +217,15 @@ static int shmem_inode_acct_blocks(struct inode *inode, long pages) might_sleep(); /* when quotas */ if (sbinfo->max_blocks) { - if (percpu_counter_compare(&sbinfo->used_blocks, - sbinfo->max_blocks - pages) > 0) + if (!percpu_counter_limited_add(&sbinfo->used_blocks, + sbinfo->max_blocks, pages)) goto unacct; err = dquot_alloc_block_nodirty(inode, pages); - if (err) + if (err) { + percpu_counter_sub(&sbinfo->used_blocks, pages); goto unacct; - - percpu_counter_add(&sbinfo->used_blocks, pages); + } } else { err = dquot_alloc_block_nodirty(inode, pages); if (err) |