• Linux_2_6_4

2.6.4

• Released March 11, 2004 changelog

• NGROUPS_MAX, which sets the maximum number of groups a user can belong to has increased the value to 65536 (was previously 32). This limit is also visible via the read-only /proc/sys/kernel/ngroups_max file. (commit)

• HFS rewrite and HFS+ support (commit) - (commit)

• Add SOCK_SEQPACKET for Unix domain sockets (commit)

• Support for the Intel "ia32e" arch

• PPC64 iommu and TBL flush rework (commit) - (commit)

• UTF-8 tty mode (commit)

• Dynamic PTY allocation (up to a million PTY devices)
• Sysfs support for SCSI tapes and bluetooth devices
• ARC4 crypto module Support for large numbers of groups

• Generic kernel thread infrastructure (LWN article)

• Groundwork for the hotplug CPU code

• ARC4 crypto module (commit)

• Add dm-crypto crypto module (commit)

• Enable coredumps > 2 GB (commit)

• Add -mregparm=3 config option (commit)