Fedora and 4GB of memory

[Anne & Lynn Wheeler]

> What does /proc/meminfo tell:
>
>     $ cat  /proc/meminfo
>
> And what does /var/log/dmesg tell us.

cat /proc/meminfo

Enabling APIC mode:  Flat.  Using 1 I/O APICs
Using ACPI (MADT) for SMP configuration information
Built 1 zonelists
Kernel command line: ro root=/dev/md3 rhgb quiet
mapped 4G/4G trampoline to fffeb000.
Initializing CPU#0
CPU 0 irqstacks, hard=023ae000 soft=0238e000
PID hash table entries: 4096 (order 12: 32768 bytes)
Detected 3392.259 MHz processor.
Using pmtmr for high-res timesource
Console: colour VGA+ 80x25
Memory: 3635200k/3669456k available (1676k kernel code, 33516k reserved,
708k data, 180k init, 0k highmem)
Calibrating delay loop... 6717.44 BogoMIPS

========================

& /var/log/dmesg:

Linux version 2.6.5-1.358smp (bhcompile at bugs.build.redhat.com) (gcc
version 3.3.3 20040412 (Red Hat Linux 3.3.3-7)) #1 SMP Sat May 8
09:25:36 EDT 2004
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
 BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000dff74000 (usable)
 BIOS-e820: 00000000dff74000 - 00000000dff76000 (ACPI NVS)
 BIOS-e820: 00000000dff76000 - 00000000dff97000 (ACPI data)
 BIOS-e820: 00000000dff97000 - 00000000e0000000 (reserved)
 BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
 BIOS-e820: 00000000fecf0000 - 00000000fecf1000 (reserved)
 BIOS-e820: 00000000fed20000 - 00000000fed90000 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
 BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
0MB HIGHMEM available.
3583MB LOWMEM available.
ACPI: S3 and PAE do not like each other for now, S3 disabled.
found SMP MP-table at 000fe710
On node 0 totalpages: 917364
  DMA zone: 4096 pages, LIFO batch:1
  Normal zone: 913268 pages, LIFO batch:16
  HighMem zone: 0 pages, LIFO batch:1
DMI 2.3 present.
Using APIC driver default

Enabling APIC mode:  Flat.  Using 1 I/O APICs
Using ACPI (MADT) for SMP configuration information
Built 1 zonelists
Kernel command line: ro root=/dev/md3 rhgb quiet
mapped 4G/4G trampoline to fffeb000.
Initializing CPU#0
CPU 0 irqstacks, hard=023ae000 soft=0238e000
PID hash table entries: 4096 (order 12: 32768 bytes)
Detected 3392.259 MHz processor.
Using pmtmr for high-res timesource
Console: colour VGA+ 80x25
Memory: 3635200k/3669456k available (1676k kernel code, 33516k reserved,
708k data, 180k init, 0k highmem)
Calibrating delay loop... 6717.44 BogoMIPS

-- 
Anne & Lynn Wheeler | http://www.garlic.com/~lynn/