Allocation of kernel memory >128K

["Amit S. Jain" <amitjain@tifr.res.in>]

Hello everyone,
		I hope u can clear this doubt.This question is a
continuation of the question below which i had posted on this site

On Tue, 11 Dec 2001, Amit S. Jain wrote:

> I have been working on a module in which I copy large amount of data fromn
> the user to the kernel area.To do so I allocate using either kmaaloc or
> vmalloc or  get_free_pages()large amount of memory(in the range of
> MBytes) in the kernel space.However this attempt is not successful.One ofmy 
> colleagues informed me that in the kernel space it is safe not to allocate
> large amount of memory at one time,should be kept upto 30K...is he
> right....could you throw more light on this issue.

  I WANT TO KNOW WHAT AMOUNT OF MEMORY ALLOCATION WILL BE SAFE.i.e. even
if i alloc 30K at a time,will I always get a contiguous memory for that
purpose.??
	Is there a set limit in Linux for the amount of memory we obtain
will always be contiguous or always available??
 
 
Thanking you,
 Amit Jain
 

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