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...0-All mode: 1016MB ram, with 0K reserved This seems OK and everything works as expected. However when I boot CentOS 4.2 x86_64 (latest kernel) I end up with _way_ less available RAM - 21.5 MB is listed as reserved by the kernel - why??? To quote from dmesg: Memory: 1017796k/1040000k available (2398k kernel code, 21460k reserved, 1303k data, 164k init) This seems to make little sense... is this reserved area actually used by the kernel for something? or is it just sitting idly waiting for a better tomorrow? Cheers, MaZe.

...g 1.193182 MHz PIT timer. time.c: Detected 997.121 MHz processor. time.c: Using PIT/TSC based timekeeping. Console: colour VGA+ 80x25 Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes) Inode-cache hash table entries: 65536 (order: 7, 524288 bytes) Memory: 1025280k/1047488k available (2398k kernel code, 21468k reserved, 1303k data, 164k init) Calibrating delay loop... 1957.88 BogoMIPS (lpj=978944) Security Scaffold v1.0.0 initialized SELinux: Initializing. SELinux: Starting in permissive mode There is already a security framework initialized, register_security failed. selinux_regist...

...g 3.579545 MHz PM timer. time.c: Detected 2393.119 MHz processor. time.c: Using PIT/TSC based timekeeping. Console: colour VGA+ 80x25 Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes) Inode-cache hash table entries: 65536 (order: 7, 524288 bytes) Memory: 1025280k/1047488k available (2398k kernel code, 21468k reserved, 1303k data, 164k init) Calibrating delay loop... 4702.20 BogoMIPS (lpj=2351104) Security Scaffold v1.0.0 initialized SELinux: Initializing. SELinux: Starting in permissive mode There is already a security framework initialized, register_security failed. selinux_regis...