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cpumask: Add CONFIG_CPUMASK_OFFSTACK 

Impact: Add config option to enable code in cpumask.h

Currently it can be set if DEBUG_PER_CPU_MAPS, or set specifically by
an arch.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2008-12-13 21:20:27 +10:30
parent 320ab2b0b1
commit aab46da052
1 changed files with 7 additions and 0 deletions
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7
lib/Kconfig
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@ -157,4 +157,11 @@ config CHECK_SIGNATURE
config HAVE_LMB
boolean
config CPUMASK_OFFSTACK
bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
help
Use dynamic allocation for cpumask_var_t, instead of putting
them on the stack. This is a bit more expensive, but avoids
stack overflow.
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