[PATCH v4] sched/numa, mm: do not try to migrate memory to memoryless nodes

[Byungchul Park]

Changes from v3:
	1. Rewrite the comment in code and the commit message to make it
	   more clear. (feedbacked by Oscar Salvador)
	2. Add "Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>"

Changes from v2:
	1. Rewrite the comment in code and the commit message becasue it
	   turns out that this patch is not the real fix for the oops
	   descriped. The real fix goes in another patch below:

	   https://lore.kernel.org/lkml/20240216111502.79759-1-byungchul@xxxxxx/

Changes from v1:
	1. Trim the verbose oops in the commit message. (feedbacked by
	   Phil Auld)
	2. Rewrite a comment in code. (feedbacked by Phil Auld)

--->8---