.. _cn_magicnumbers: .. include:: ../disclaimer-zh_CN.rst :Original: :ref:`Documentation/process/magic-number.rst <magicnumbers>` å¦ææ³è¯è®ºææ´æ°æ¬æçå 容ï¼è¯·ç´æ¥åä¿¡å°LKMLãå¦æä½ ä½¿ç¨è±æ交æµæå°é¾çè¯ï¼ä¹å¯ 以åä¸æçç»´æ¤è æ±å©ãå¦ææ¬ç¿»è¯æ´æ°ä¸åæ¶æè ç¿»è¯åå¨é®é¢ï¼è¯·èç³»ä¸æçç»´æ¤è :: ä¸æçç»´æ¤è ï¼ è´¾å¨å¨ Jia Wei Wei <harryxiyou@gmail.com> ä¸æçç¿»è¯è ï¼ è´¾å¨å¨ Jia Wei Wei <harryxiyou@gmail.com> ä¸æçæ ¡è¯è ï¼ è´¾å¨å¨ Jia Wei Wei <harryxiyou@gmail.com> Linux éæ¯æ° ============ è¿ä¸ªæ件æ¯æå ³å½å使ç¨çéæ¯å¼æ³¨å表ãå½ä½ ç»ä¸ä¸ªç»ææ·»å äºä¸ä¸ªéæ¯å¼ï¼ä½ ä¹åºè¯¥æè¿ä¸ªéæ¯å¼æ·»å å°è¿ä¸ªæ件ï¼å 为æ们æ好æç¨äºåç§ç»æçéæ¯å¼ç»ä¸èµ·æ¥ã 使ç¨éæ¯å¼æ¥ä¿æ¤å æ ¸æ°æ®ç»ææ¯ä¸ä¸ªé常好ç主æãè¿å°±å è®¸ä½ å¨è¿è¡ææ£æ¥(a)ä¸ä¸ªç»ææ¯å¦å·²ç»è¢«æ»å»ï¼æè (b)ä½ å·²ç»ç»ä¸ä¸ªä¾è¡ç¨åºéè¿äºä¸ä¸ªé误çç»æãåä¸ç§æ åµç¹å«å°æç¨---ç¹å«æ¯å½ä½ éè¿ä¸ä¸ªç©ºæéæåç»æä½çæ¶åãttyæºç ï¼ä¾å¦ï¼ç»å¸¸éè¿ç¹å®é©±å¨ä½¿ç¨è¿ç§æ¹æ³å¹¶ä¸åå¤å°æåç¹å®æ¹é¢çç»æã 使ç¨éæ¯å¼çæ¹æ³æ¯å¨ç»æçå¼å§å¤å£°æçï¼å¦ä¸:: struct tty_ldisc { int magic; ... }; å½ä½ 以åç»å æ ¸æ·»å å¢å¼ºåè½çæ¶åï¼è¯·éµå®è¿æ¡è§åï¼è¿æ ·å°±ä¼èçæ°ä¸æ¸ çè°è¯æ¶é´ï¼ç¹å«æ¯ä¸äºå¤æªçæ åµï¼ä¾å¦ï¼æ°ç»è¶ åºèå´å¹¶ä¸éæ°åäºè¶ åºé¨åãéµå®è¿ä¸ªè§åï¼âªè¿äºæ åµå¯ä»¥è¢«å¿«éå°ï¼å®å ¨å°é¿å ã Theodore Ts'o 31 Mar 94 ç»å½åçLinux 2.1.55æ·»å éæ¯è¡¨ã Michael Chastain <mailto:mec@shout.net> 22 Sep 1997 ç°å¨åºè¯¥ææ°çLinux 2.1.112.å 为å¨ç¹æ§å»ç»æé´ï¼ä¸è½å¨2.2.xåæ¹åä»»ä½ä¸è¥¿ãè¿äºæ¡ç®è¢«æ°åææåºã Krzysztof G.Baranowski <mailto: kgb@knm.org.pl> 29 Jul 1998 æ´æ°éæ¯è¡¨å°Linux 2.5.45ãå好è¶è¿ç¹æ§å»ç»ï¼ä½æ¯æå¯è½è¿ä¼æä¸äºæ°çéæ¯å¼å¨2.6.xä¹åèå ¥å°å æ ¸ä¸ã Petr Baudis <pasky@ucw.cz> 03 Nov 2002 æ´æ°éæ¯è¡¨å°Linux 2.5.74ã Fabian Frederick <ffrederick@users.sourceforge.net> 09 Jul 2003 ===================== ================ ======================== ========================================== éæ¯æ°å æ°å ç»æ æ件 ===================== ================ ======================== ========================================== PG_MAGIC 'P' pg_{read,write}_hdr ``include/linux/pg.h`` CMAGIC 0x0111 user ``include/linux/a.out.h`` MKISS_DRIVER_MAGIC 0x04bf mkiss_channel ``drivers/net/mkiss.h`` HDLC_MAGIC 0x239e n_hdlc ``drivers/char/n_hdlc.c`` APM_BIOS_MAGIC 0x4101 apm_user ``arch/x86/kernel/apm_32.c`` CYCLADES_MAGIC 0x4359 cyclades_port ``include/linux/cyclades.h`` DB_MAGIC 0x4442 fc_info ``drivers/net/iph5526_novram.c`` DL_MAGIC 0x444d fc_info ``drivers/net/iph5526_novram.c`` FASYNC_MAGIC 0x4601 fasync_struct ``include/linux/fs.h`` FF_MAGIC 0x4646 fc_info ``drivers/net/iph5526_novram.c`` ISICOM_MAGIC 0x4d54 isi_port ``include/linux/isicom.h`` PTY_MAGIC 0x5001 ``drivers/char/pty.c`` PPP_MAGIC 0x5002 ppp ``include/linux/if_pppvar.h`` SERIAL_MAGIC 0x5301 async_struct ``include/linux/serial.h`` SSTATE_MAGIC 0x5302 serial_state ``include/linux/serial.h`` SLIP_MAGIC 0x5302 slip ``drivers/net/slip.h`` STRIP_MAGIC 0x5303 strip ``drivers/net/strip.c`` X25_ASY_MAGIC 0x5303 x25_asy ``drivers/net/x25_asy.h`` SIXPACK_MAGIC 0x5304 sixpack ``drivers/net/hamradio/6pack.h`` AX25_MAGIC 0x5316 ax_disp ``drivers/net/mkiss.h`` TTY_MAGIC 0x5401 tty_struct ``include/linux/tty.h`` MGSL_MAGIC 0x5401 mgsl_info ``drivers/char/synclink.c`` TTY_DRIVER_MAGIC 0x5402 tty_driver ``include/linux/tty_driver.h`` MGSLPC_MAGIC 0x5402 mgslpc_info ``drivers/char/pcmcia/synclink_cs.c`` TTY_LDISC_MAGIC 0x5403 tty_ldisc ``include/linux/tty_ldisc.h`` USB_SERIAL_MAGIC 0x6702 usb_serial ``drivers/usb/serial/usb-serial.h`` FULL_DUPLEX_MAGIC 0x6969 ``drivers/net/ethernet/dec/tulip/de2104x.c`` USB_BLUETOOTH_MAGIC 0x6d02 usb_bluetooth ``drivers/usb/class/bluetty.c`` RFCOMM_TTY_MAGIC 0x6d02 ``net/bluetooth/rfcomm/tty.c`` USB_SERIAL_PORT_MAGIC 0x7301 usb_serial_port ``drivers/usb/serial/usb-serial.h`` CG_MAGIC 0x00090255 ufs_cylinder_group ``include/linux/ufs_fs.h`` RPORT_MAGIC 0x00525001 r_port ``drivers/char/rocket_int.h`` LSEMAGIC 0x05091998 lse ``drivers/fc4/fc.c`` GDTIOCTL_MAGIC 0x06030f07 gdth_iowr_str ``drivers/scsi/gdth_ioctl.h`` RIEBL_MAGIC 0x09051990 ``drivers/net/atarilance.c`` NBD_REQUEST_MAGIC 0x12560953 nbd_request ``include/linux/nbd.h`` RED_MAGIC2 0x170fc2a5 (any) ``mm/slab.c`` BAYCOM_MAGIC 0x19730510 baycom_state ``drivers/net/baycom_epp.c`` ISDN_X25IFACE_MAGIC 0x1e75a2b9 isdn_x25iface_proto_data ``drivers/isdn/isdn_x25iface.h`` ECP_MAGIC 0x21504345 cdkecpsig ``include/linux/cdk.h`` LSOMAGIC 0x27091997 lso ``drivers/fc4/fc.c`` LSMAGIC 0x2a3b4d2a ls ``drivers/fc4/fc.c`` WANPIPE_MAGIC 0x414C4453 sdla_{dump,exec} ``include/linux/wanpipe.h`` CS_CARD_MAGIC 0x43525553 cs_card ``sound/oss/cs46xx.c`` LABELCL_MAGIC 0x4857434c labelcl_info_s ``include/asm/ia64/sn/labelcl.h`` ISDN_ASYNC_MAGIC 0x49344C01 modem_info ``include/linux/isdn.h`` CTC_ASYNC_MAGIC 0x49344C01 ctc_tty_info ``drivers/s390/net/ctctty.c`` ISDN_NET_MAGIC 0x49344C02 isdn_net_local_s ``drivers/isdn/i4l/isdn_net_lib.h`` SAVEKMSG_MAGIC2 0x4B4D5347 savekmsg ``arch/*/amiga/config.c`` CS_STATE_MAGIC 0x4c4f4749 cs_state ``sound/oss/cs46xx.c`` SLAB_C_MAGIC 0x4f17a36d kmem_cache ``mm/slab.c`` COW_MAGIC 0x4f4f4f4d cow_header_v1 ``arch/um/drivers/ubd_user.c`` I810_CARD_MAGIC 0x5072696E i810_card ``sound/oss/i810_audio.c`` TRIDENT_CARD_MAGIC 0x5072696E trident_card ``sound/oss/trident.c`` ROUTER_MAGIC 0x524d4157 wan_device [in ``wanrouter.h`` pre 3.9] SAVEKMSG_MAGIC1 0x53415645 savekmsg ``arch/*/amiga/config.c`` GDA_MAGIC 0x58464552 gda ``arch/mips/include/asm/sn/gda.h`` RED_MAGIC1 0x5a2cf071 (any) ``mm/slab.c`` EEPROM_MAGIC_VALUE 0x5ab478d2 lanai_dev ``drivers/atm/lanai.c`` HDLCDRV_MAGIC 0x5ac6e778 hdlcdrv_state ``include/linux/hdlcdrv.h`` PCXX_MAGIC 0x5c6df104 channel ``drivers/char/pcxx.h`` KV_MAGIC 0x5f4b565f kernel_vars_s ``arch/mips/include/asm/sn/klkernvars.h`` I810_STATE_MAGIC 0x63657373 i810_state ``sound/oss/i810_audio.c`` TRIDENT_STATE_MAGIC 0x63657373 trient_state ``sound/oss/trident.c`` M3_CARD_MAGIC 0x646e6f50 m3_card ``sound/oss/maestro3.c`` FW_HEADER_MAGIC 0x65726F66 fw_header ``drivers/atm/fore200e.h`` SLOT_MAGIC 0x67267321 slot ``drivers/hotplug/cpqphp.h`` SLOT_MAGIC 0x67267322 slot ``drivers/hotplug/acpiphp.h`` LO_MAGIC 0x68797548 nbd_device ``include/linux/nbd.h`` OPROFILE_MAGIC 0x6f70726f super_block ``drivers/oprofile/oprofilefs.h`` M3_STATE_MAGIC 0x734d724d m3_state ``sound/oss/maestro3.c`` VMALLOC_MAGIC 0x87654320 snd_alloc_track ``sound/core/memory.c`` KMALLOC_MAGIC 0x87654321 snd_alloc_track ``sound/core/memory.c`` PWC_MAGIC 0x89DC10AB pwc_device ``drivers/usb/media/pwc.h`` NBD_REPLY_MAGIC 0x96744668 nbd_reply ``include/linux/nbd.h`` ENI155_MAGIC 0xa54b872d midway_eprom ``drivers/atm/eni.h`` CODA_MAGIC 0xC0DAC0DA coda_file_info ``fs/coda/coda_fs_i.h`` DPMEM_MAGIC 0xc0ffee11 gdt_pci_sram ``drivers/scsi/gdth.h`` YAM_MAGIC 0xF10A7654 yam_port ``drivers/net/hamradio/yam.c`` CCB_MAGIC 0xf2691ad2 ccb ``drivers/scsi/ncr53c8xx.c`` QUEUE_MAGIC_FREE 0xf7e1c9a3 queue_entry ``drivers/scsi/arm/queue.c`` QUEUE_MAGIC_USED 0xf7e1cc33 queue_entry ``drivers/scsi/arm/queue.c`` HTB_CMAGIC 0xFEFAFEF1 htb_class ``net/sched/sch_htb.c`` NMI_MAGIC 0x48414d4d455201 nmi_s 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