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SubjectRE: [PATCH] sched: Enable arch-specific asym packing option in sched domain
Add arch specific (weak) routine to set (or not set) the ASYM_PACKING
sched domain flag. This change itself does nothing, but allows archs
that require asym-packing option to set it by implementing the arch
specific routine to turn it on.

The weak symbol is already defined in sched/core.c but was mis-spelled
in the header file. Fixed spelling error in the weak symbol definition.

Signed-off-by: Diwakar Tundlam <>

diff --git a/include/linux/sched.h b/include/linux/sched.h
index c569719..cf793f0 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -903,7 +903,7 @@ static inline int sd_balance_for_package_power(void)

-extern int __weak arch_sd_sibiling_asym_packing(void);
+extern int __weak arch_sd_sibling_asym_packing(void);

* Optimise SD flags for power savings:
diff --git a/include/linux/topology.h b/include/linux/topology.h
index b480403..eb09cd4 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -168,6 +168,7 @@ int arch_update_cpu_topology(void);
+ | arch_sd_sibling_asym_packing() \
| sd_balance_for_package_power() \
| sd_power_saving_flags() \
, \
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