I'm reading Mel Gorman Understating the Linux Virtual Memory Manager and
also TANENBAUM Modern Operating System I don't get some basic concepts
of the Memory Management in Linux Kernel.
The first question is, what is a memory bank, It's not clear if its a
physical section of the memory of if its a chip (physical) itself.
The ZONE_NORMAL zone refer only to kernel direct memory mapped, that
means only to kernel pages and kernel programs (such as daemons)?
Why is the ZONE_NORMAL so large (896 MB)? How to deal with low memory
systems?
The ZONE_HIGHMEM zone refer to kernel not mapped directly, so that
includes userspace programs right?
I googled and searched for all those answers but couldn't find a direct
and consistent answer, thats why I'm asking for your guys help.
Thanks very much for you time,
Marcos Roriz
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