Commit aab46da0520af9c99b7802cebe4f14a81ff39415
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320ab2b0b1
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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>
Showing 1 changed file with 7 additions and 0 deletions Side-by-side Diff
lib/Kconfig
| ... | ... | @@ -157,5 +157,12 @@ |
| 157 | 157 | config HAVE_LMB |
| 158 | 158 | boolean |
| 159 | 159 | |
| 160 | +config CPUMASK_OFFSTACK | |
| 161 | + bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS | |
| 162 | + help | |
| 163 | + Use dynamic allocation for cpumask_var_t, instead of putting | |
| 164 | + them on the stack. This is a bit more expensive, but avoids | |
| 165 | + stack overflow. | |
| 166 | + | |
| 160 | 167 | endmenu |