The Physical Arena Information structure (PAI)
describes ranges of physical memory to memory management.
Physical memory ranges mapped by RAM is described by the PAI
pointed to by the SAS.
There are two PAIs located at the following symbols:
- pgPageablePAI
.
This described ranges
of physical memory available for pageable memory allocations. Normally two
ranges are described:
_pgResidentPAI.
This described ranges of physical memory available
for backing resident memory allocations. Normally three ranges are described:
Below 1Mb
Below 16Mb
16Mb and above
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