Hi all,
assume that you have a linux kernel with MMU.
When you are trying to malloc() for a given size (1KB), the memory
returned to you is continuous for your application, e.g you get a
pointer to 0x10000000 and the memory you have been given is
0x10000000-0x10000400
On the RAM chip itself, does it have to be continuous, or the MMU can
gather fragments of smaller pieces and give you the virtual 0x10000000
continuous memory space?
So, the real question is:
When you have 1.5 Mbyte of memory reported from the MMU, can you malloc
1Mbyte of continuous memory even it may be fragmented?
Cheers,
Bou
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