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Old 05-21-2006, 02:43 AM   #1
gavin_guo
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Registered: May 2006
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Question How to increase vmalloc space size in the kernel 2.6.11.4?


i need to drastically increase vmalloc space in my machine. The system default value is 128MB.

Our system platform:
OS: SuSE 9.3
Kernel: 2.6.11.4-20a-smp
Cpu: double xeon 3.6GHZ
Ram: 4GB
HardDisk: SCSI 40GB
Motherborad: microstar

I use 'vmalloc=256m' to config my linux vmalloc space. after a reboot, the console outputs some information as below:
kernel: allocation failed: out of vmalloc space - use vmalloc=<size> to increase size

How to increase the vmalloc space?
 
Old 05-21-2006, 10:23 AM   #2
sundialsvcs
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Well, first of all... even though your hardware supports 4GB, did you compile that kernel with big-memory support? When you boot up the system without that parameter, what does cat /proc/meminfo tell you?

I find it very helpful to grep the actual Linux kernel source-code to find the actual programming that generates any message, or that evaluates any kernel parameter.
 
  


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