XArray: Fix splitting to non-zero orders
Splitting an order-4 entry into order-2 entries would leave the array containing pointers to 000040008000c000 instead of 000044448888cccc. This is a one-character fix, but enhance the test suite to check this case. Reported-by:Zi Yan <ziy@nvidia.com> Signed-off-by:
Matthew Wilcox (Oracle) <willy@infradead.org>
parent
12efebab
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