Claude review: Let userspace know about swapped out panthor GEM objects

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Overall Series Review

Subject: Let userspace know about swapped out panthor GEM objects
Author: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Patches: 4
Reviewed: 2026-05-25T20:03:23.030343

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This is a clean, small 2-patch series (v5) that adds eviction observability to panthor's GEM debugfs. The changes are well-scoped: patch 1 adds a `reclaimed_count` atomic to track evictions with proper saturation, exposes it via debugfs, and adds an "evicted" state flag; patch 2 tightens column widths. Both patches carry Reviewed-by tags from Steven Price and Boris Brezillon.

The implementation is straightforward and correct. The use of `atomic_add_unless` for saturation at INT_MAX is appropriate. The ordering of the patches is slightly unusual — the column width reduction in patch 2 is applied to widths that were already set in patch 1 — but this is a minor aesthetic issue in sequencing, not a correctness problem. The cover letter mentions dropping an fdinfo patch from v4 to unblock the series, and the commit message for patch 1 still references fdinfo and `DRM_GEM_OBJECT_EVICTED` which no longer appears in the diff; this is a minor commit message hygiene issue.

**No blocking issues found.** This series looks ready to merge.

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