Hi,

I got a few centos 5 boxes installed for tests and find the following confusing messages from ‘dmesg’ command:

Your BIOS doesn't leave a aperture memory hole Memory: 4043392k/5242880k available (2397k kernel code, 150460k reserved, 1222k data, 196k init)

The machine has only 4GB memory chips installed only, so where comes the number ‘5242880k’ for memory?

[root@centos5Cli01 ~]# cat /proc/meminfo | grep -i total MemTotal: 4045132 kB HighTotal: 0 kB LowTotal: 4045132 kB SwapTotal: 15999252 kB VmallocTotal: 34359738367 kB HugePages_Total: 0 [root@centos5Cli01 ~]#

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