lustre/kernel_patches/patches/vm-tunables-rhel4.patch

   1 Index: linux+rhel4+chaos/mm/page_alloc.c
   2 ===================================================================
   3 --- linux+rhel4+chaos.orig/mm/page_alloc.c
   4 +++ linux+rhel4+chaos/mm/page_alloc.c
   5 @@ -1972,8 +1972,12 @@ static void setup_per_zone_pages_min(voi
   6                                            lowmem_pages;
   7                 }
   8
   9 -               zone->pages_low = zone->pages_min * 2;
  10 -               zone->pages_high = zone->pages_min * 3;
  11 +               /*
  12 +                * When interpreting these watermarks, just keep in mind that:
  13 +                * zone->pages_min == (zone->pages_min * 4) / 4;
  14 +                */
  15 +               zone->pages_low  = (zone->pages_min * 5) / 4;
  16 +               zone->pages_high = (zone->pages_min * 6) / 4;
  17                 spin_unlock_irqrestore(&zone->lru_lock, flags);
  18         }
  19  }