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Subject[PATCH v2 4/9] sched/topology: Kill SD_LOAD_BALANCE
Date
That flag is set unconditionally in sd_init(), and no one checks for it
anymore. Remove it.

Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
---
include/linux/sched/topology.h | 29 ++++++++++++++---------------
kernel/sched/topology.c | 3 +--
2 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index f341163fedc9..8de2f9744569 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -11,21 +11,20 @@
*/
#ifdef CONFIG_SMP

-#define SD_LOAD_BALANCE 0x0001 /* Do load balancing on this domain. */
-#define SD_BALANCE_NEWIDLE 0x0002 /* Balance when about to become idle */
-#define SD_BALANCE_EXEC 0x0004 /* Balance on exec */
-#define SD_BALANCE_FORK 0x0008 /* Balance on fork, clone */
-#define SD_BALANCE_WAKE 0x0010 /* Balance on wakeup */
-#define SD_WAKE_AFFINE 0x0020 /* Wake task to waking CPU */
-#define SD_ASYM_CPUCAPACITY 0x0040 /* Domain members have different CPU capacities */
-#define SD_SHARE_CPUCAPACITY 0x0080 /* Domain members share CPU capacity */
-#define SD_SHARE_POWERDOMAIN 0x0100 /* Domain members share power domain */
-#define SD_SHARE_PKG_RESOURCES 0x0200 /* Domain members share CPU pkg resources */
-#define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */
-#define SD_ASYM_PACKING 0x0800 /* Place busy groups earlier in the domain */
-#define SD_PREFER_SIBLING 0x1000 /* Prefer to place tasks in a sibling domain */
-#define SD_OVERLAP 0x2000 /* sched_domains of this level overlap */
-#define SD_NUMA 0x4000 /* cross-node balancing */
+#define SD_BALANCE_NEWIDLE 0x0001 /* Balance when about to become idle */
+#define SD_BALANCE_EXEC 0x0002 /* Balance on exec */
+#define SD_BALANCE_FORK 0x0004 /* Balance on fork, clone */
+#define SD_BALANCE_WAKE 0x0008 /* Balance on wakeup */
+#define SD_WAKE_AFFINE 0x0010 /* Wake task to waking CPU */
+#define SD_ASYM_CPUCAPACITY 0x0020 /* Domain members have different CPU capacities */
+#define SD_SHARE_CPUCAPACITY 0x0040 /* Domain members share CPU capacity */
+#define SD_SHARE_POWERDOMAIN 0x0080 /* Domain members share power domain */
+#define SD_SHARE_PKG_RESOURCES 0x0100 /* Domain members share CPU pkg resources */
+#define SD_SERIALIZE 0x0200 /* Only a single load balancing instance */
+#define SD_ASYM_PACKING 0x0400 /* Place busy groups earlier in the domain */
+#define SD_PREFER_SIBLING 0x0800 /* Prefer to place tasks in a sibling domain */
+#define SD_OVERLAP 0x1000 /* sched_domains of this level overlap */
+#define SD_NUMA 0x2000 /* cross-node balancing */

#ifdef CONFIG_SCHED_SMT
static inline int cpu_smt_flags(void)
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 79a85827be2f..6077b23f9723 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1333,8 +1333,7 @@ sd_init(struct sched_domain_topology_level *tl,

.cache_nice_tries = 0,

- .flags = 1*SD_LOAD_BALANCE
- | 1*SD_BALANCE_NEWIDLE
+ .flags = 1*SD_BALANCE_NEWIDLE
| 1*SD_BALANCE_EXEC
| 1*SD_BALANCE_FORK
| 0*SD_BALANCE_WAKE
--
2.24.0
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