Linux 3.1 Summary: Support for the OpenRISC opensource CPU, performance improvements to the writeback throttling, some speedups in the slab allocator, a new iSCSI implementation, support for Near-Field Communication chips used to enable mobile payments, bad block management in the generic software RAID layer, a new "cpupowerutils" userspace utility for power management, filesystem barriers enabled by default in Ext3, Wii Controller support and new drivers and many small improvements.
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