I have the same problem: a ThinkPad R60 with Bios showing 4 GB of RAM but in ubuntu 8.10 amd64 only 3GB usable!
MemTotal: 3088272 kB MemFree: 1758452 kB Buffers: 25860 kB Cached: 399620 kB SwapCached: 0 kB Active: 815512 kB Inactive: 280248 kB SwapTotal: 4005880 kB SwapFree: 4005880 kB Dirty: 88 kB Writeback: 0 kB AnonPages: 670424 kB Mapped: 129940 kB Slab: 59400 kB SReclaimable: 28456 kB SUnreclaim: 30944 kB PageTables: 20244 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 5550016 kB Committed_AS: 1327824 kB VmallocTotal: 34359738367 kB VmallocUsed: 98384 kB VmallocChunk: 34359639839 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 301888 kB DirectMap2M: 2842624 kB
I have the same problem: a ThinkPad R60 with Bios showing 4 GB of RAM but in ubuntu 8.10 amd64 only 3GB usable!
MemTotal: 3088272 kB
MemFree: 1758452 kB
Buffers: 25860 kB
Cached: 399620 kB
SwapCached: 0 kB
Active: 815512 kB
Inactive: 280248 kB
SwapTotal: 4005880 kB
SwapFree: 4005880 kB
Dirty: 88 kB
Writeback: 0 kB
AnonPages: 670424 kB
Mapped: 129940 kB
Slab: 59400 kB
SReclaimable: 28456 kB
SUnreclaim: 30944 kB
PageTables: 20244 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 5550016 kB
Committed_AS: 1327824 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 98384 kB
VmallocChunk: 34359639839 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 301888 kB
DirectMap2M: 2842624 kB