I am planning on developing a simple dynamic memory allocator for
use in one of my RT-Linux projects. Before I begin, I was
interested to see if anyone else has already done work on this?
The intention is not to allocate dynamic sized blocks of data, but
facilitate a pool of statically assigned but dynamically issued
blocks of memory.
In case you are still reading this message (and thus mildly
interested in what I am doing). I am creating an arbitrary signal
generator inside a RT-Linux process. This signal generator must
be able to accept dynamically sized waveforms (waveforms of
different lenghts).
I intend to follow the heap style approach, where RT-linux process
will have "page" of "heap memory" and divide the heap memory into
"blocks". (Say 100byte blocks of memory in 100K heap leaving 1K
blocks of memory to be allocated). Then using a linked list
approach, the block will be assigned to an "allocated" or
"unallocated" list. As memory is "assigned" the requested number
of memory blocks will be moved from the "unallocated" to the
"allocated" list. Abvoiusly the user of the data will need to
understand the "block" size limits when accessing the data, but
this is as expected.
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