AMD Features2=0x1<LAHF>
TSC: P-state invariant, performance statistics
real memory = 34359738368 (32768 MB)
avail memory = 32191340544 (30700 MB)
2GB memory "disappears" too even when you don't set anything.
i asked such a question for other machine some time ago without much
answer.
in your laptop it may be shared graphics memory reserved by chipset
still on my dell server
real memory = 34359738368 (32768 MB)
avail memory = 33166921728 (31630 MB)
i have over 1GB unavailable and it doesn't have shared graphics memory.
it would be nice to be able to look exactly how memory is used.
Event timer "LAPIC" quality 600
ACPI APIC Table: <DELL DCSRADON>
and from sysctl:
hw.physmem: 34284916736
hw.usermem: 32964923392
hw.realmem: 36507222016
after setting
hw.physmem=16G
from dmesg:
real memory = 34359738368 (32768 MB)
avail memory = 13999382528 (13350 MB)
and sysctl:
hw.physmem: 14957563904
hw.usermem: 10094678016
hw.realmem: 17179869184
from the numbers, I can assume that realmem is the real physical memory,
(or whatever is set in hw.physmem),
if so, where did almost 2G go? (realmem - physmen)
the only info I found so far is:
from loader(8):
hw.physmem Limit the amount of physical memory the system will use.
By default the size is in bytes, but the k, K, m, M, g and
G suffixes are also accepted and indicate kilobytes,
megabytes and gigabytes respectively. An invalid suffix
will result in the variable being ignored by the kernel.
what is physmem and realmem, and what's the relationship - if any - between
them?
cheers,
danny
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