From: Christoph Lameter <clameter@sgi.com>

swap_prefetch: Remove useless reference to HIGHMEM reserves.

HIGHMEM "reserves" are always zero. Remove the addition of the highmem
reserves.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 mm/swap_prefetch.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -puN mm/swap_prefetch.c~reduce-max_nr_zones-swap_prefetch-remove-incorrect-use-of-zone_highmem mm/swap_prefetch.c
--- a/mm/swap_prefetch.c~reduce-max_nr_zones-swap_prefetch-remove-incorrect-use-of-zone_highmem
+++ a/mm/swap_prefetch.c
@@ -278,8 +278,7 @@ static void examine_free_limits(void)
 
 		ns = &sp_stat.node[z->zone_pgdat->node_id];
 		idx = zone_idx(z);
-		ns->lowfree[idx] = z->pages_high * 3 +
-			z->lowmem_reserve[ZONE_HIGHMEM];
+		ns->lowfree[idx] = z->pages_high * 3;
 		ns->highfree[idx] = ns->lowfree[idx] + z->pages_high;
 
 		if (z->free_pages > ns->highfree[idx]) {
_