Understanding the Linux® Virtual Memory Manager

Appendix L. Shared Memory Virtual Filesystem

Contents

L.1 Initializing shmfs	635
L.1.1 Function: init_tmpfs()	635
L.1.2 Function: shmem_read_super()	637
L.1.3 Function: shmem_set_size()	639
L.2 Creating Files in tmpfs	641
L.2.1 Function: shmem_create()	641
L.2.2 Function: shmem_mknod()	641
L.2.3 Function: shmem_get_inode()	642
L.3 File Operations in tmpfs	645
L.3.1 Memory Mapping	645
L.3.1.1 Function: shmem_mmap()	645
L.3.2 Reading Files	646
L.3.2.1 Function: shmem_file_read()	646
L.3.2.2 Function: do_shmem_file_read()	647
L.3.2.3 Function: file_read_actor()	649
L.3.3 Writing	651
L.3.3.1 Function: shmem_file_write()	651
L.3.4 Symbolic Linking	654
L.3.4.1 Function: shmem_symlink()	654
L.3.4.2 Function: shmem_readlink_inline()	656
L.3.4.3 Function: shmem_follow_link_inline()	656
L.3.4.4 ...