Sysresv returns multiple shared memory IDs for one database

Shared Memory:
ID KEY
8 0x00000000
9 0x00000000
10 0x00000000
13 0x00000000
14 0xae2ae9d0
Please see this 'sysresv' output. It returns multiple shared memory IDs for one database (althouth all are 0s except one). Why is this? Does it matter? It seems not eating up memory. Stop and start database didn't help.

* System Configuration
swap files
swapfile dev swaplo blocks free
/dev/md/dsk/d101 85,101 16 201342320 201342320
* Tunable Parameters
2055864320 maximum memory allowed in buffer cache (bufhwm)
30000 maximum number of processes (v.v_proc)
99 maximum global priority in sys class (MAXCLSYSPRI)
29995 maximum processes per user id (v.v_maxup)
30 auto update time limit in seconds (NAUTOUP)
25 page stealing low water mark (GPGSLO)
1 fsflush run rate (FSFLUSHR)
25 minimum resident memory for avoiding deadlock (MINARMEM)
25 minimum swapable memory for avoiding deadlock (MINASMEM)
CO4P:/opt/oracle:>ipcs -ma
IPC status from <running system> as of Monday, April 21, 2008 2:50:10 PM PDT
T ID KEY MODE OWNER GROUP CREATOR CGROUP NATTCH SEGSZ CPID LPID ATIME DTIME CTIME
Shared Memory:
m 14 0xae2ae9d0 rw-r--- oracle dba oracle dba 481 24576 20322 25104 14:50:10 14:50:10 11:24:46
m 13 0 rw-r--- oracle dba oracle dba 481 2030043136 20322 25104 14:50:10 14:50:08 11:24:43
m 10 0 rw-r--- oracle dba oracle dba 481 2030043136 20322 25104 14:50:10 14:50:08 11:24:40
m 9 0 rw-r--- oracle dba oracle dba 481 2013265920 20322 25104 14:50:10 14:50:08 11:24:37
m 8 0 rw-r--- oracle dba oracle dba 481 2063597568 20322 25104 14:50:10 14:50:08 11:24:34
m 0 0xcace --rw-rw-rw-     root     root     root     root      0          2  2344  2344 14:49:57 14:49:57  9:35:43                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

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