[HiCache][Dsv4] Don't cache C128 State pool in L3 (#27293)

python/sglang/srt/mem_cache/hybrid_cache/hybrid_pool_assembler.py

@@ -439,17 +439,8 @@ def build_deepseek_v4_hicache_stack(
             layout=server_args.hicache_mem_layout,
             allocator_type=server_args.hicache_storage_backend,
         )
-        c128_state_host_pool = DeepSeekV4StateHostPool(
+        # C128 state pool is intentionally not registered with hicache.
-            pool_name=str(PoolName.DEEPSEEK_V4_C128_STATE),
+        # page_size=256 % 128 == 0, so state pool is not consumed on load.
-            state_pools=[
-                kvcache.compress_state_pools[layer_id]
-                for layer_id in c128_state_global_layers
-            ],
-            num_host_pages=swa_num_host_pages,
-            swa_page_size=kvcache.swa_page_size,
-            layout=server_args.hicache_mem_layout,
-            allocator_type=server_args.hicache_storage_backend,
-        )
         entries.extend(
             [
                 build_pool_entry(
@@ -459,13 +450,6 @@ def build_deepseek_v4_hicache_stack(
                     layer_mapping=c128_layer_mapping,
                     transfer_layer_num=transfer_layer_num,
                 ),
-                build_pool_entry(
-                    name=PoolName.DEEPSEEK_V4_C128_STATE,
-                    host_pool=c128_state_host_pool,
-                    device_pool=None,
-                    layer_mapping=c128_state_mapping,
-                    transfer_layer_num=transfer_layer_num,
-                ),
             ]
         )