[Refactor] Clarify DeepSeek V4 metadata names for V4.1 - #38947
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Three textual conflicts: - deepseek_v4_backend_hip_radix.py: upstream (sgl-project#38947) replaced the get_swa_out_cache_loc / get_unified_swa_loc docstrings with one-line comments. This branch had only reworded them, so upstream wins and the reword leaves the diff. - deepseek_v4_memory_pool.py: same PR renamed get_c128_state_buf_infos to get_request_state_buf_infos, which this branch had appended get_swa_state_coupling_infos in front of. Both kept, new name taken; the two call sites merged clean on upstream's side. - swa_component.py: upstream commented the host_lru lookup in redistribute_on_node_split, which this branch had hoisted above the strict ring-page split. Nothing used it in between, so the hoist goes and upstream's placement stands.
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c0_flashmla_metadataandc0_cnt; paged indexer metadata usescompressed_seq_lens,compressed_page_size, andmax_compressed_seq_len.get_request_state_buf_infosand the Python enum member toStateType.DSV4_REQUEST_STATE, preserving its"c128_state"wire value. Keep C128-specific index calculations and HiCache pool identifiers unchanged.CI States
Latest PR Test (Base): 🚫 Run #34537091029
Latest PR Test (Extra): ❌ Run #34537090862
Latest PR Test (AMD ROCm 10): ❌ Run #34537090927