1. 15 Sep, 2005 1 commit
    • Jack Steiner's avatar
      [IA64] Cleanup use of various #defines related to nodes · 24ee0a6d
      Jack Steiner authored
      Some of the SN code & #defines related to compact nodes & IO discovery
      have gotten stale over the years. This patch attempts to clean them up.
      Some of the various SN MAX_xxx #defines were also unclear & misused.
      The primary changes are:
      	- use MAX_NUMNODES. This is the generic linux #define for the number
      	  of nodes that are known to the generic kernel. Arrays & loops
      	  for constructs that are 1:1 with linux-defined nodes should
      	  use the linux #define - not an SN equivalent.
      	- use MAX_COMPACT_NODES for MAX_NUMNODES + NUM_TIOS. This is the
      	  number of nodes in the SSI system. Compact nodes are a hack to
      	  get around the IA64 architectural limit of 256 nodes. Large SGI
      	  systems have more than 256 nodes. When we upgrade to ACPI3.0,
      	  I _hope_ that all nodes will be real nodes that are known to
      	  the generic kernel. That will allow us to delete the notion
      	  of "compact nodes".
      	- add MAX_NUMALINK_NODES for the total number of nodes that
      	  are in the numalink domain - all partitions.
      	- simplified (understandable) scan_for_ionodes()
      	- small amount of cleanup related to cnodes
      Signed-off-by: default avatarJack Steiner <steiner@sgi.com>
      Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
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