Re: 4GB memory and Intel Dual-Core system

[Marcel Holtmann <marcel@holtmann.org>]

Hi Dave,

>  > I have system with 2 Pentium 4 Xeon EM64T processors using 4GB of RAM.
>  > 
>  > Kernel is 2.6.13.4 compiled for x86_64 architecture.
>  > 
>  > Btw, /proc/cpuinfo reports, that only 36 bits are availalable for physical 
>  > memory. Not 40.
> 
> That should be fixed in 2.6.14

is this only true for the Xeon series or should it be 40 bits for every
EM64T capable CPU from Intel? I ask, because mine still shows 36 bits
with the latest vanilla from today.

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 4
model name      :               Intel(R) Pentium(R) D CPU 2.80GHz
stepping        : 4
cpu MHz         : 2800.229
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall lm constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips        : 5609.23
clflush size    : 64
cache_alignment : 128
address sizes   : 36 bits physical, 48 bits virtual
power management:

Regards

Marcel


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/