[PATCH v4 4/6] mm/page_alloc: fix doc for numa_zonelist_order

[Wanpeng Li <liwanp@linux.vnet.ibm.com>]

Changelog:
 v2 - > v3:
   * add Michal's Reviewed-by 

The default zonelist order selecter will select "node" order if any node's
DMA zone comprises greater than 70% of its local memory instead of 60%,
according to default_zonelist_order::low_kmem_size > total * 70/100.

Reviewed-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
---
 Documentation/sysctl/vm.txt |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index a5717c3..15d341a 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -531,7 +531,7 @@ Specify "[Dd]efault" to request automatic configuration.  Autoconfiguration
 will select "node" order in following case.
 (1) if the DMA zone does not exist or
 (2) if the DMA zone comprises greater than 50% of the available memory or
-(3) if any node's DMA zone comprises greater than 60% of its local memory and
+(3) if any node's DMA zone comprises greater than 70% of its local memory and
     the amount of local memory is big enough.
 
 Otherwise, "zone" order will be selected. Default order is recommended unless
-- 
1.7.5.4