Commit 118c71bc authored by Yasunori Goto's avatar Yasunori Goto Committed by Linus Torvalds

[PATCH] Fix calculation of grow_pgdat_span() in mm/memory_hotplug.c

The calculation for node_spanned_pages at grow_pgdat_span() is clearly
wrong.  This is patch for it.

(Please see grow_zone_span() to compare. It is correct.)
Signed-off-by: default avatarYasunori Goto <>
Acked-by: default avatarDave Hansen <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 664d22ab
......@@ -104,7 +104,7 @@ static void grow_pgdat_span(struct pglist_data *pgdat,
pgdat->node_start_pfn = start_pfn;
if (end_pfn > old_pgdat_end_pfn)
pgdat->node_spanned_pages = end_pfn - pgdat->node_spanned_pages;
pgdat->node_spanned_pages = end_pfn - pgdat->node_start_pfn;
int online_pages(unsigned long pfn, unsigned long nr_pages)
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