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mm: use pgdat_end_pfn() to simplify the code in arch

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Use "pgdat_end_pfn()" instead of "pgdat->node_start_pfn +
pgdat->node_spanned_pages".  Simplify the code, no functional change.

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Xishi Qiu
2013-11-12 15:07:17 -08:00
committed by Linus Torvalds
parent 8bfa3f9a01
commit 6408068ee6
4 changed files with 4 additions and 7 deletions
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2
arch/sh/mm/init.c
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@@ -231,7 +231,7 @@ static void __init bootmem_init_one_node(unsigned int nid)
if (!p->node_spanned_pages)
return;
end_pfn = p->node_start_pfn + p->node_spanned_pages;
end_pfn = pgdat_end_pfn(p);
total_pages = bootmem_bootmap_pages(p->node_spanned_pages);