From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>
The hashdist variable must be initialized before the first call to
alloc_large_system_hash() and free_area_init() looks like a better place
for it than page_alloc_init().
Move hashdist handling to mm/mm_init.c
Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
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