shmem_inode_acct_blocks
int shmem_inode_acct_blocks(struct inode *inode, long pages);
err = shmem_inode_acct_blocks(inode, 1);
error = shmem_inode_acct_blocks(inode, pages);
error = shmem_inode_acct_blocks(inode, pages);
if (shmem_inode_acct_blocks(inode, 1)) {
if (shmem_inode_acct_blocks(inode, pages))