Oct. 15, 2012
7:58 a.m.
Hi Guys: My machine has 8G memory, when I use kernel boot parameter mem=5G , it only display ��4084 M�� using ��free �Cm ��. where the ��5120-4084 = 1036M �� memory run? # /bin/uname -a Linux dom0-93 3.0.13-0.27-default #1 SMP Wed Feb 15 13:33:49 UTC 2012 (d73692b) x86_64 x86_64 x86_64 GNU/Linux dom0-93:~ # free -m total used free shared buffers cached Mem: 4084 259 3824 0 6 84 -/+ buffers/cache: 169 3915 Swap: 1916 0 1916 dom0-93:~ # cat /proc/cmdline root=/dev/disk/by-id/cciss-3600508b100104839535656314933001b-part1 resume=/dev/disk/by-id/cciss-3600508b100104839535656314933001b-part2 splash=silent crashkernel=256M-:128M vga=0x317 mem=5120M why ? details info ,please see the attachment.