[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>
This commit is contained in:
Yasunori Goto 2005-12-13 17:03:37 -08:00 committed by Linus Torvalds
parent 664d22ab95
commit 118c71bcac

View file

@ -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)