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The pai_t interface implements C-style polymorphism via function pointers to abstract over PAC and HPA. This abstraction provides no real benefit: only two implementations exist, the dispatcher already knows which one to use, and HPA stubs 2 of 5 operations. Remove the runtime dispatch in favor of direct calls. This commit: - Promotes pac_alloc/expand/shrink/dalloc/time_until_deferred_work to external linkage and replaces the pai_t *self parameter with pac_t *pac. - Promotes hpa_alloc/expand/shrink/dalloc/time_until_deferred_work to external linkage and replaces pai_t *self with hpa_shard_t *shard. - Updates hpa_dalloc_batch's signature to take hpa_shard_t * directly and removes the hpa_from_pai container-of helper. Updates internal callers in hpa_alloc, hpa_dalloc, and hpa_sec_flush_impl. - Drops the vtable assignments from pac_init() and hpa_shard_init(). - Replaces pai_alloc/dalloc/etc. dispatch in pa.c with direct calls. HPA expand and shrink (which are unconditional failure stubs) are skipped entirely for HPA-owned extents. - Removes the pa_get_pai() helper. - Updates tests in test/unit/hpa.c and test/unit/hpa_sec_integration.c to call hpa_alloc/dalloc/etc. directly. The pai_t struct field stays as dead weight in pac_t and hpa_shard_t; it is removed in the next commit along with pai.h itself. No behavioral changes. |
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| test.sh.in | ||