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Form 1 affinity allows multiple entries in ibm,associativity-reference-points which represent affinity domains in decreasing order of importance. The Linux concept of a node is always the first entry, but using the other values as an input to node_distance() allows the memory allocator to make better decisions on which node to go first when local memory has been exhausted. We keep things simple and create an array indexed by NUMA node, capped at 4 entries. Each time we lookup an associativity property we initialise the array which is overkill, but since we should only hit this path during boot it didn't seem worth adding a per node valid bit. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> |
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| mm | ||
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| platforms | ||
| sysdev | ||
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| Kconfig | ||
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| relocs_check.pl | ||