What does "zero" imply in "pmap -x" output?
Issue
- What does "zero" imply in "pmap -x" output?
- Under "Mapping" column there are lots of "zero" entries.
15709: oracle
Address Kbytes RSS Dirty Mode Mapping
00002aaaacd07000 960 24 20 rw--- zero
00002aaaacdf7000 384 24 20 rw--- zero
00002aaaace57000 192 184 176 rw--- zero
00002aaaace87000 192 192 192 rw--- zero
00002aaaaceb7000 192 192 192 rw--- zero
00002aaaacee7000 64 64 0 rw--- zero
00002aaaacef7000 64 52 52 rw--- zero
00002aaaacf07000 67264 20 12 rw--- zero
00002aaab10b7000 192 192 192 rw--- zero
00002aaab10e7000 192 192 192 rw--- zero
00002aaab1117000 192 192 192 rw--- zero
^ ^
+---[MEM in KB] +------------[zero entry under MAPPING]
Environment
- Red Hat Enterprise Linux 5.8
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
