Messages in this thread Patch in this message | | | Date | Thu, 19 Jun 2008 08:38:44 +0800 | From | Kent Liu <> | Subject | Don't calculate vm_total_pages twice when rebuild zonelists in online_pages() |
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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>
--- mm/memory_hotplug.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 833f854..896ddaf 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -429,7 +429,9 @@ int online_pages(unsigned long pfn, unsigned long nr_pages) if (need_zonelists_rebuild) build_all_zonelists(); - vm_total_pages = nr_free_pagecache_pages(); + else + vm_total_pages = nr_free_pagecache_pages(); + writeback_set_ratelimit(); if (onlined_pages)
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