[PATCH] zone_reclaim: minor fixes

- If we only reclaim nr_pages then its okay to stay on node.
  Switch from > to >= for the comparison.

- vm_table[] entry for zone_reclaim_mode is a bit screwed up.

- Add empty lines around shrink_zone to show that this is the
  central function to be called.

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

1 files changed, 3 insertions, 1 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index a29efb2c06c8..61ca0097c834 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1636,14 +1636,16 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
         p->flags |= PF_MEMALLOC;
         reclaim_state.reclaimed_slab = 0;
         p->reclaim_state = &reclaim_state;
+
         shrink_zone(zone, &sc);
+
         p->reclaim_state = NULL;
         current->flags &= ~PF_MEMALLOC;
 
         if (sc.nr_reclaimed == 0)
                 zone->last_unsuccessful_zone_reclaim = jiffies;
 
-        return sc.nr_reclaimed > nr_pages;
+        return sc.nr_reclaimed >= nr_pages;
 }
 #endif