[Xen-devel] maximum memory size allocated by _xmalloc

["Chulmin Kim" <cmkim@xxxxxxxxxxxxxxxx>]

Hi all, 

I'm currently inserting my own code to adjust the several existing memory
ballooning works. 

To accomplish it, I manage some kind of statistics in Xen memory area. 

Using _xmalloc, I've allocated certain size of memory chunk for the data
structure. ( I varied it from 10kb to 24 MB.)

When the size is equal to 24 MB, xen won't boot anymore.  (stuck during the
xmalloc, according to my debugging. _xmalloc returns NULL.)
There was no problem when the size is below 12MB.

Is there any limitation such as max memory size for _xmalloc? 

I suspected xen heap size, but, it is no longer adjustable. Right? 

I hope somebody can give me a clue.  Thanks.



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