diff options
| -rw-r--r-- | arch/ia64/include/asm/topology.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/topology.h | 3 | ||||
| -rw-r--r-- | arch/sh/include/asm/topology.h | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/topology_64.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/topology.h | 2 | ||||
| -rw-r--r-- | include/linux/topology.h | 4 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 21 |
7 files changed, 28 insertions, 11 deletions
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h index cf6053b226c..47f3c51d5e2 100644 --- a/arch/ia64/include/asm/topology.h +++ b/arch/ia64/include/asm/topology.h @@ -62,11 +62,12 @@ void build_cpu_to_node_map(void); .busy_idx = 2, \ .idle_idx = 1, \ .newidle_idx = 2, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_NEWIDLE \ | SD_BALANCE_EXEC \ + | SD_BALANCE_FORK \ | SD_BALANCE_WAKE \ | SD_WAKE_AFFINE, \ .last_balance = jiffies, \ @@ -87,7 +88,7 @@ void build_cpu_to_node_map(void); .busy_idx = 3, \ .idle_idx = 2, \ .newidle_idx = 2, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_EXEC \ diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index c6343313ff5..a6b220ab56d 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -58,9 +58,10 @@ static inline int pcibus_to_node(struct pci_bus *bus) .busy_idx = 3, \ .idle_idx = 1, \ .newidle_idx = 2, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_EXEC \ + | SD_BALANCE_FORK \ | SD_BALANCE_NEWIDLE \ | SD_BALANCE_WAKE \ | SD_SERIALIZE, \ diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h index dc1531e2f25..9054e5c0ad5 100644 --- a/arch/sh/include/asm/topology.h +++ b/arch/sh/include/asm/topology.h @@ -16,7 +16,7 @@ .busy_idx = 3, \ .idle_idx = 2, \ .newidle_idx = 2, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_FORK \ diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h index 1d091abd2d1..bc3a0930ed6 100644 --- a/arch/sparc/include/asm/topology_64.h +++ b/arch/sparc/include/asm/topology_64.h @@ -52,7 +52,7 @@ static inline int pcibus_to_node(struct pci_bus *pbus) .busy_idx = 3, \ .idle_idx = 2, \ .newidle_idx = 0, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_FORK \ diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h index 966d58dc627..4b1b335097b 100644 --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -138,7 +138,7 @@ extern unsigned long node_remap_size[]; .busy_idx = 3, \ .idle_idx = SD_IDLE_IDX, \ .newidle_idx = SD_NEWIDLE_IDX, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .forkexec_idx = SD_FORKEXEC_IDX, \ \ .flags = 1*SD_LOAD_BALANCE \ diff --git a/include/linux/topology.h b/include/linux/topology.h index 6a8cd15555b..fef57040a4e 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -120,7 +120,7 @@ int arch_update_cpu_topology(void); .imbalance_pct = 125, \ .cache_nice_tries = 1, \ .busy_idx = 2, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .forkexec_idx = 1, \ \ .flags = 1*SD_LOAD_BALANCE \ @@ -152,7 +152,7 @@ int arch_update_cpu_topology(void); .busy_idx = 2, \ .idle_idx = 1, \ .newidle_idx = 2, \ - .wake_idx = 1, \ + .wake_idx = 0, \ .forkexec_idx = 1, \ \ .flags = 1*SD_LOAD_BALANCE \ diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 8b3eddbcf9a..19593568031 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -1232,12 +1232,27 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p, int sync) * domain. */ static struct sched_group * -find_idlest_group(struct sched_domain *sd, struct task_struct *p, int this_cpu) +find_idlest_group(struct sched_domain *sd, struct task_struct *p, + int this_cpu, int flag) { struct sched_group *idlest = NULL, *this = NULL, *group = sd->groups; unsigned long min_load = ULONG_MAX, this_load = 0; - int load_idx = sd->forkexec_idx; int imbalance = 100 + (sd->imbalance_pct-100)/2; + int load_idx = 0; + + switch (flag) { + case SD_BALANCE_FORK: + case SD_BALANCE_EXEC: + load_idx = sd->forkexec_idx; + break; + + case SD_BALANCE_WAKE: + load_idx = sd->wake_idx; + break; + + default: + break; + } do { unsigned long load, avg_load; @@ -1392,7 +1407,7 @@ static int select_task_rq_fair(struct task_struct *p, int flag, int sync) continue; } - group = find_idlest_group(sd, p, cpu); + group = find_idlest_group(sd, p, cpu, flag); if (!group) { sd = sd->child; continue; |