Comment 2 for bug 608538

No I got 7 tabs opend worth of 755MB:
about:memory
 Summary
Memory
Browser Private Proportional
Chromium
754,104k 82,757k
Note: If other browsers (e.g. IE, Firefox, Safari) are running, I'll show their memory details here.

Processes
Memory
PID Name Private Proportional
2156
Browser
80,424k 81,630k
2159
Sandbox helper
1,036k 1,127k
2161
Zygote
232k N/A k
548
Tab
Начинаются мировые продажи Microsoft Office 2010
34,128k N/A k
1235
Tab
Эпоха Windows XP закончилась - Компьютерра-Онлайн
51,448k N/A k
1273
Tab
Резкое потепление в конце палеоцена, скорее всего, произошло из-за вулканической активности - Наука и техника - Естественные науки - Компьюлента
Earth Impact Database
392,932k N/A k
2178
Tab
3,360k N/A k
2183
Tab
6,740k N/A k
2188
Tab
46,652k N/A k
2193
Tab
5,984k N/A k
2198
Tab
4,624k N/A k
2204
Tab
4,312k N/A k
2262
Tab (diagnostics)
about:memory
1,256k N/A k
28059
Tab
Журнал М. Ю. Соколова - Включающий правозащитник
122,232k N/A k
Σ 755360k
(The memory usage of our renderer processes is slightly less accurate when they are sandboxed.)

Here's top's output:

Tasks: 222 total, 1 running, 220 sleeping, 0 stopped, 1 zombie
Cpu(s): 6.8%us, 2.5%sy, 0.3%ni, 90.2%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1529884k total, 1511020k used, 18864k free, 3364k buffers
Swap: 1638624k total, 701140k used, 937484k free, 243988k cached

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
 1273 gene 25 5 1178m 373m 11m S 0 25.0 0:57.74 chromium-browse
28059 gene 25 5 1031m 128m 7828 S 1 8.6 4:29.13 chromium-browse
 2156 gene 20 0 730m 85m 11m S 9 5.7 43:32.66 chromium-browse
11824 gene 20 0 1465m 74m 6816 S 0 5.0 30:36.14 amarok
 1235 gene 20 0 944m 57m 8000 S 2 3.8 0:28.87 chromium-browse
 2188 gene 20 0 877m 45m 2404 S 0 3.1 11:47.98 chromium-browse
  548 gene 25 5 877m 40m 7700 S 0 2.7 0:16.78 chromium-browse
20478 gene 20 0 244m 29m 8580 S 0 2.0 0:56.84 emacs23
12424 gene 20 0 315m 24m 5156 S 0 1.6 1:18.00 python
  883 root 20 0 209m 21m 7828 S 4 1.4 64:05.00 Xorg
 2262 gene 20 0 848m 17m 11m S 0 1.2 0:01.45 chromium-browse
 9906 gene 20 0 167m 17m 1304 S 0 1.1 12:34.52 amuled
 1646 gene 20 0 395m 16m 3828 S 0 1.1 2:08.29 gnome-panel
 6712 gene 20 0 387m 11m 2244 S 0 0.8 1:25.50 gwibber-service
 7617 gene 20 0 570m 11m 3160 S 0 0.8 0:33.12 nautilus
25069 gene 20 0 98.1m 10m 1708 S 0 0.7 0:01.06 mutt
 2204 gene 20 0 846m 9944 5584 S 0 0.6 0:34.20 chromium-browse

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