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| author | Kent Liu <kent.liu@linux.intel.com> | 2008-07-23 21:28:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 10:47:21 -0700 |
| commit | 2f7f24eca31c4fc2fdb134b2ef743ccd67cfb9a9 (patch) | |
| tree | 6c2169b8a7b160cbacdc41f376a4e2dea993e579 /mm/memory_hotplug.c | |
| parent | af370fb8cb3031f20438f246798d5f0d98089f29 (diff) | |
| download | lwn-2f7f24eca31c4fc2fdb134b2ef743ccd67cfb9a9.tar.gz lwn-2f7f24eca31c4fc2fdb134b2ef743ccd67cfb9a9.zip | |
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>
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 0fb05b258f0c..93aba78dc8b6 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) |