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[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: Yasunori Goto <y-goto@jp.fujitsu.com> Acked-by: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -104,7 +104,7 @@ static void grow_pgdat_span(struct pglist_data *pgdat,
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pgdat->node_start_pfn = start_pfn;
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pgdat->node_start_pfn = start_pfn;
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if (end_pfn > old_pgdat_end_pfn)
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if (end_pfn > old_pgdat_end_pfn)
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pgdat->node_spanned_pages = end_pfn - pgdat->node_spanned_pages;
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pgdat->node_spanned_pages = end_pfn - pgdat->node_start_pfn;
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}
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}
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int online_pages(unsigned long pfn, unsigned long nr_pages)
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int online_pages(unsigned long pfn, unsigned long nr_pages)
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