William Lee Irwin III wrote:

...
+       for (type = classzone - first_classzone; type >= 0; --type)
+               for_each_pgdat(pgdat) {
+                       zone = pgdat->node_zones + type;

Well you'd want to start with (and prefer) the local node's zones?

I'm also wondering whether one shouldn't just poke a remote kswapd
and wait.
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