Leverage SD_DEGENERATE_GROUPS_MASK in sd_degenerate() and sd_parent_degenerate().
Suggested-by: Peter Zijlstra <[email protected]> Signed-off-by: Valentin Schneider <[email protected]> --- kernel/sched/topology.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index f128fcf46a41..5f2bc99ff659 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -160,15 +160,9 @@ static int sd_degenerate(struct sched_domain *sd) return 1; /* Following flags need at least 2 groups */ - if (sd->flags & (SD_BALANCE_NEWIDLE | - SD_BALANCE_FORK | - SD_BALANCE_EXEC | - SD_SHARE_CPUCAPACITY | - SD_ASYM_CPUCAPACITY | - SD_SHARE_PKG_RESOURCES)) { - if (sd->groups != sd->groups->next) - return 0; - } + if ((sd->flags & SD_DEGENERATE_GROUPS_MASK) && + (sd->groups != sd->groups->next)) + return 0; /* Following flags don't use groups */ if (sd->flags & (SD_WAKE_AFFINE)) @@ -190,13 +184,7 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent) /* Flags needing groups don't count if only 1 group in parent */ if (parent->groups == parent->groups->next) { - pflags &= ~(SD_BALANCE_NEWIDLE | - SD_BALANCE_FORK | - SD_BALANCE_EXEC | - SD_ASYM_CPUCAPACITY | - SD_SHARE_CPUCAPACITY | - SD_SHARE_PKG_RESOURCES | - SD_PREFER_SIBLING); + pflags &= ~(SD_DEGENERATE_GROUPS_MASK | SD_PREFER_SIBLING); if (nr_node_ids == 1) pflags &= ~SD_SERIALIZE; } -- 2.27.0
