* ima-memory-use-fixes:
IMA: fix the ToMToU logic
IMA: explicit IMA i_flag to remove global lock on inode_delete
IMA: drop refcnt from ima_iint_cache since it isn't needed
IMA: only allocate iint when needed
IMA: move read counter into struct inode
IMA: use i_writecount rather than a private counter
IMA: use inode->i_lock to protect read and write counters
IMA: convert internal flags from long to char
IMA: use unsigned int instead of long for counters
IMA: drop the inode opencount since it isn't needed for operation
IMA: use rbtree instead of radix tree for inode information cache
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