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mm/page_alloc: fix doc for numa_zonelist_order

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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. will select "node" order in following case.
(1) if the DMA zone does not exist or (1) if the DMA zone does not exist or
(2) if the DMA zone comprises greater than 50% of the available memory 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. the amount of local memory is big enough.
Otherwise, "zone" order will be selected. Default order is recommended unless Otherwise, "zone" order will be selected. Default order is recommended unless