Claude review: drm/amdkfd: convert CRIU event-private allocation to kvcalloc()

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Overall Series Review

Subject: drm/amdkfd: convert CRIU event-private allocation to kvcalloc()
Author: William Theesfeld <william@theesfeld.net>
Patches: 2
Reviewed: 2026-06-04T13:42:10.529206

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This is a straightforward single-patch cleanup that converts an open-coded `kvzalloc(n * sizeof(*p), ...)` to `kvcalloc(n, sizeof(*p), ...)`. The change is correct and follows a well-established kernel hardening pattern — `kvcalloc()` uses `size_mul()` internally to detect multiplication overflow, whereas the open-coded form is vulnerable to silent integer overflow of `num_events * sizeof(*ev_privs)`.

The patch is small, well-scoped, and the commit message accurately describes both the change and its motivation. No functional change.

**Verdict: Looks good.** This is a standard mechanical hardening cleanup.

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