From: Valentin Schneider Date: Wed, 15 Apr 2020 21:05:07 +0000 (+0100) Subject: sched/topology: Kill SD_LOAD_BALANCE X-Git-Tag: v5.10.7~2480^2~30 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=36c5bdc4387056af3840adb4478c752faeb9d15e;p=platform%2Fkernel%2Flinux-rpi.git sched/topology: Kill SD_LOAD_BALANCE That flag is set unconditionally in sd_init(), and no one checks for it anymore. Remove it. Signed-off-by: Valentin Schneider Signed-off-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/20200415210512.805-5-valentin.schneider@arm.com --- diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h index 95253ad..fb11091 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 a9dc34a..1d7b446 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -1341,8 +1341,7 @@ 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