Re: [PATCH 09/17] radix-tree: require static storage for RADIX_TREE()

RADIX_TREE() uses the static XArray initializer. Enforce static storage
for this declaration wrapper, consistently with DEFINE_XARRAY_FLAGS()
and DEFINE_IDR(). Leave RADIX_TREE_INIT() unchanged for embedded objects.

Normal radix-tree operations use external synchronization rather than the
embedded XArray lock, so this is declaration-contract enforcement rather
than a fix for a lockdep failure in normal radix-tree operations.

Convert the thirteen automatic roots in the userspace tests and benchmark
to plain declarations followed by INIT_RADIX_TREE(), preserving their
allocation flags.

Assisted-by: OpenAI Codex
Signed-off-by: Yury Norov <redacted>

Sashiko has reviewed this patch and found no issues. It looks great!

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Sashiko AI review · https://sashiko.dev/#/patchset/20260915030336.1192299-1-ynorov@nvidia.com?part=9