На что может уйти память? 512-432=80mb

localhost anton # lspci
00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
00:00.1 RAM memory: nVidia Corporation C51 Memory Controller 0 (rev a2)
00:00.2 RAM memory: nVidia Corporation C51 Memory Controller 1 (rev a2)
00:00.3 RAM memory: nVidia Corporation C51 Memory Controller 5 (rev a2)
00:00.4 RAM memory: nVidia Corporation C51 Memory Controller 4 (rev a2)
00:00.5 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
00:00.6 RAM memory: nVidia Corporation C51 Memory Controller 3 (rev a2)
00:00.7 RAM memory: nVidia Corporation C51 Memory Controller 2 (rev a2)
00:05.0 VGA compatible controller: nVidia Corporation C51 PCI Express Bridge (re v a2)
00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2)
00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a3)
00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a3)
00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2)
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a3)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTra nsport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Con troller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscella neous Control
04:07.0 CardBus bridge: ENE Technology Inc CB-712/4 Cardbus Controller (rev 10)
04:07.1 FLASH memory: ENE Technology Inc ENE PCI Memory Stick Card Reader Contro ller (rev 01)
04:07.2 Class 0805: ENE Technology Inc ENE PCI Secure Digital Card Reader Contro ller (rev 01)
04:07.4 FLASH memory: ENE Technology Inc Unknown device 0551 (rev 01)
04:08.0 Network controller: RaLink RT2561/RT61 802.11g PCI

localhost anton # free -m
             total       used       free     shared    buffers     cached
Mem:           432        309        123          0          9        138
-/+ buffers/cache:        161        271
Swap:          980         48        931

localhost anton # cat /proc/meminfo
MemTotal:       443104 kB
MemFree:        126396 kB
Buffers:         10240 kB
Cached:         141664 kB
SwapCached:      15796 kB
Active:         165008 kB
Inactive:       106180 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       443104 kB
LowFree:        126396 kB
SwapTotal:     1004052 kB
SwapFree:       954320 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:         152208 kB
Slab:            21580 kB
CommitLimit:   1225604 kB
Committed_AS:   254492 kB
PageTables:       5832 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    302460 kB
VmallocChunk: 34359435255 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB