mmap_lock_speculate_retry
} while (mmap_lock_speculate_retry(current->mm, seq));
retry = mmap_lock_speculate_retry(mm, seq);
if (mmap_lock_speculate_retry(mm, seq))
if (mmap_lock_speculate_retry(mm, seq))
if (!mmap_unlocked || mmap_lock_speculate_retry(mm, mm_wr_seq)) {