The following is two patches that implement a per-cpu cache for high-order
allocations, primarily aimed at SLUB. The first patch is a bug fix that
is technically unrelated but was discovered by review and so batched
together. The second is the patch that implements the cache.

 include/linux/mmzone.h |  20 +++++++-
 mm/page_alloc.c        | 122 +++++++++++++++++++++++++++++++------------------
 2 files changed, 96 insertions(+), 46 deletions(-)


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