[PATCH 01/11] swap_prefetch: Remove incorrect use of ZONE_HIGHMEM

From: Christoph Lameter
Date: Fri Jul 07 2006 - 19:16:59 EST


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@xxxxxxx>

Index: linux-2.6.17-mm6/mm/swap_prefetch.c
===================================================================
--- linux-2.6.17-mm6.orig/mm/swap_prefetch.c 2006-07-03 13:47:22.656121359 -0700
+++ linux-2.6.17-mm6/mm/swap_prefetch.c 2006-07-04 08:30:07.805828891 -0700
@@ -277,8 +277,7 @@ 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]) {
-
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