TheOneEyedMan
September 23rd, 2009, 07:51 PM
I just upgraded my 64 bit 9.04/ Jaunty setup to have a new processor, motherboard, and memory. I installed 4 2 gig DIMMs, which shows up in BIOS as 8192M of memory. However, various programs within Ubuntu show different amounts of memory present. Can someone explain what is going on and if something is wrong, how to fix it?
Much obliged,
TOEM
When I run the free -m to show how much memory I have I get:
total used free shared buffers cached
Mem: 7893 1186 6707 0 24 420
-/+ buffers/cache: 740 7152
Swap: 0 0 0
When I look in system monitor I get memory used shown as a fraction o 7.7 Gigs.
When I run cat /proc/meminfo I get pretty different info:
MemTotal: 8083392 kB
MemFree: 6863280 kB
Buffers: 25212 kB
Cached: 430244 kB
SwapCached: 0 kB
Active: 829380 kB
Inactive: 270644 kB
Active(anon): 652356 kB
Inactive(anon): 8 kB
Active(file): 177024 kB
Inactive(file): 270636 kB
Unevictable: 8 kB
Mlocked: 8 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 3876 kB
Writeback: 0 kB
AnonPages: 644572 kB
Mapped: 122688 kB
Slab: 55996 kB
SReclaimable: 39316 kB
SUnreclaim: 16680 kB
PageTables: 21728 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 4041696 kB
Committed_AS: 1379080 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 296912 kB
VmallocChunk: 34359431163 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 34368 kB
DirectMap2M: 8353792 kB
Much obliged,
TOEM
When I run the free -m to show how much memory I have I get:
total used free shared buffers cached
Mem: 7893 1186 6707 0 24 420
-/+ buffers/cache: 740 7152
Swap: 0 0 0
When I look in system monitor I get memory used shown as a fraction o 7.7 Gigs.
When I run cat /proc/meminfo I get pretty different info:
MemTotal: 8083392 kB
MemFree: 6863280 kB
Buffers: 25212 kB
Cached: 430244 kB
SwapCached: 0 kB
Active: 829380 kB
Inactive: 270644 kB
Active(anon): 652356 kB
Inactive(anon): 8 kB
Active(file): 177024 kB
Inactive(file): 270636 kB
Unevictable: 8 kB
Mlocked: 8 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 3876 kB
Writeback: 0 kB
AnonPages: 644572 kB
Mapped: 122688 kB
Slab: 55996 kB
SReclaimable: 39316 kB
SUnreclaim: 16680 kB
PageTables: 21728 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 4041696 kB
Committed_AS: 1379080 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 296912 kB
VmallocChunk: 34359431163 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 34368 kB
DirectMap2M: 8353792 kB