Commit 2f7f24ec authored Jul 23, 2008 by Kent Liu Committed by Linus Torvalds Jul 24, 2008

memory-hotplug: don't calculate vm_total_pages twice when rebuilding zonelists in online_pages()

If zonelist is required to be rebuilt in online_pages(), there is no need
to recalculate vm_total_pages in that function, as it has been updated in
the call build_all_zonelists().

Signed-off-by: Kent Liu <kent.liu@linux.intel.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent af370fb8

mm/memory_hotplug.c

+3 −1

Original line number	Original line	Diff line number	Diff line
	@@ -429,7 +429,9 @@ int online_pages(unsigned long pfn, unsigned long nr_pages)

	if (need_zonelists_rebuild)		if (need_zonelists_rebuild)
	build_all_zonelists();		build_all_zonelists();
			else
	vm_total_pages = nr_free_pagecache_pages();		vm_total_pages = nr_free_pagecache_pages();

	writeback_set_ratelimit();		writeback_set_ratelimit();

	if (onlined_pages)		if (onlined_pages)