3
堆栈跟踪例如：linux kernel dumpstack中“.clone”是什么意思？
[<e50ff630>] adf_os_mem_alloc_outline+0x50/0x60 [adf]
[<e50f4d20>] amalloc_private+0x40/0x80 [asf]
[<e53f6508>] ieee80211_scan_entry_update.clone.2+0xac0/0xe18 [umac]
[<e53f7080>] ieee80211_scan_table_update+0x41c/0x5b8 [umac]
[<e53d0b98>] ieee80211_update_beacon+0x30/0x80 [umac]
[<e53d0dec>] ieee80211_recv_mgmt+0x204/0x18a4 [umac]
[<e5404cc8>] ieee80211_input+0x23c/0x1484 [umac]
[<e5405fe8>] ieee80211_input_all+0xd8/0x158 [umac]
[<e53c4abc>] ath_net80211_rx+0x764/0x77c [umac]
[<e528f474>] ath_rx_indicate+0x60/0xc8 [ath_dev]
[<e527bd2c>] ath_rx_process+0x1d4/0x5f8 [ath_dev]
[<e528c080>] ath_rx_handler+0x408/0x5cc [ath_dev]
[<e528c284>] ath_rx_edma_tasklet+0x40/0x68 [ath_dev]
[<e528f404>] ath_handle_rx_intr+0x28/0x38 [ath_dev]
[<e52714dc>] ath_handle_intr+0x25c/0x8c0 [ath_dev]
[<e5409284>] ath_tasklet+0x24/0x34 [umac]
是什么ieee80211_scan_entry_update.clone.2意思？
课程源代码仅包含ieee80211_scan_entry_update（）函数。
gcc制作克隆函数的原因是什么？
感谢