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mm/page_alloc: fix doc for numa_zonelist_order 

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

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wanpeng Li 2013-07-08 16:00:16 -07:00 committed by Linus Torvalds
parent fc6df808aa
commit f8f191f1ad
1 changed files with 1 additions and 1 deletions
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Documentation/sysctl/vm.txt
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@ -510,7 +510,7 @@ 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