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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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643b57d0a9
Add a unit test to verify that we can iterate over multi-order entries properly via a radix_tree_for_each_slot() loop. This was done with a single, somewhat complicated configuration that was meant to test many of the various corner cases having to do with multi-order entries: - An iteration could begin at a sibling entry, and we need to return the canonical entry. - We could have entries of various orders in the same slots[] array. - We could have multi-order entries at a nonzero height, followed by indirect pointers to more radix tree nodes later in that same slots[] array. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Kirill Shutemov <kirill.shutemov@linux.intel.com> Cc: Jan Kara <jack@suse.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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