Extern or forward variable declaration at include/linux/hugetlb.h, line 15 References: fs/hugetlbfs/inode.c, line 1383 fs/io_uring.c, line 259 fs/io_uring.c, line 6054 fs/io_uring.c, line 6059 fs/io_uring.c, line 6864 include/linux/hugetlb.h, line 15 include/linux/hugetlb.h, line 382 include/linux/hugetlb.h, line 399 ipc/shm.c, line 63 ipc/shm.c, line 1109 mm/memfd.c, line 300 mm/mlock.c, line 845 mm/mlock.c, line 867 mm/mmap.c, line 1569 mm/shmem.c, line 2181 mm/shmem.c, line 4053