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Merge branch 'perf/urgent' into perf/core, to pick up fixes

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Ingo Molnar
2016-05-05 10:12:37 +02:00
parent 03d85a63ee 8482716b9d
commit 1a618c2cfe
389 changed files with 4202 additions and 2132 deletions
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17
Documentation/sysctl/vm.txt
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@@ -581,15 +581,16 @@ Specify "[Nn]ode" for node order
"Zone Order" orders the zonelists by zone type, then by node within each
zone. Specify "[Zz]one" for zone order.
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 70% of its local memory and
the amount of local memory is big enough.
Specify "[Dd]efault" to request automatic configuration.
Otherwise, "zone" order will be selected. Default order is recommended unless
this is causing problems for your system/application.
On 32-bit, the Normal zone needs to be preserved for allocations accessible
by the kernel, so "zone" order will be selected.
On 64-bit, devices that require DMA32/DMA are relatively rare, so "node"
order will be selected.
Default order is recommended unless this is causing problems for your
system/application.
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