Matthew Dobson wrote:
> Matthew Dobson wrote:
> 
>>
>> Linus,
>>     This series of patches creates a directory-based Topology in sysfs 
>> (driverfs).  This includes the per-node meminfo patch you wanted, as 
>> well as UP/SMP/NUMA topology.
>>     There were discussions between myself, Andrew, Rusty, and Patrick, 
>> and these are what we agreed on.
>>
>> (1/5) Core sysfs Topology:
>>     This patch creates the generic structures that are (will be)
>>     embedded in the per-arch structures.  Also creates calls to
>>     register these generic structures (CPUs, MemBlks, & Nodes).
>>
>>     Note that without arch-specific structures in which to embed
>>     these structures, and an arch-specific initialization routine,
>>     these functions/structures remain unused.
>>
>> (2/5) i386 sysfs Topology
>>     This patch creates the i386 specific files/functions/structures
>>     to implement driverfs Topology.  These structures have the
>>     generic CPU/MemBlk/Node structures embedded in them.
>>
>>     This patch also creates the arch-specific initialization routine
>>     to instantiate the topology.
>>
>> (3/5) per-node (NUMA) meminfo for sysfs Topology
>>     This patch adds code to DriverFS Topology to expose per-node
>>     memory statistics.
>>     This information is exposed via the nodeX/meminfo file.
>>
>>     The patch also adds 2 helper functions to gather per-node memory
>>     info.
>>
>> (4/5) memblk_online_map
>>     This patch creates a memblk_online_map, much like
>>     cpu_online_map.  It also creates the standard helper functions,
>>     ie: memblk_online(), num_online_memblks(), memblk_set_online(),
>>     memblk_set_offline().
>>
>>     This is used by driverFS topology to keep track of which memory
>>     blocks are in the system and online.
>>
>> (5/5) node_online_map
>>     This patch creates a node_online_map, much like cpu_online_map.
>>     It also creates the standard helper functions, ie:
>>     node_online(), num_online_nodes(), node_set_online(),
>>     node_set_offline().
>>
>>     This is used by driverFS topology to keep track of which Nodes
>>     are in the system and online.
>>
>> Cheers!
>>
>> -Matt