2.6.32-rc1 is out

Linus has closed the merge window and released the 2.6.32-rc1 prepatch. "Some of the more interesting changes (but perhaps that's just me) are some of the VM updates (ZERO_PAGE is back!) and the writeback work by Jens and others to spread out writeback by backing store." Changes since last week's update include the HWPOISON code, FS-cache support in the 9p filesystem, a number of cpumask cleanups, support for named hierarchies in the control groups code, a new "soft limit' memory controller feature, asynchronous RAID6 recovery, a lot of Btrfs improvements, and framebuffer compression support (a power-saving feature) for some Intel chipsets. For added fun, Linus fat-fingered EXTRAVERSION, so this kernel thinks it's actually -rc2. in the end, just over 8700 non-merge changesets have been incorporated since 2.6.31; see the long-format changelog for lots of details.

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