diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h index cf6053b226c38383de57774346fdb1ed4b4d8e39..47f3c51d5e27aae240796a5904f662a2403d075b 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 c6343313ff592f7d8ccd9ffd8913f3a2e0dcc771..a6b220ab56db1f97af4924d05d047b28dafeb55b 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 dc1531e2f25f52cfe235038a0579b094d80c858d..9054e5c0ad54959f7bcc199f6a965d847bef0ce4 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 1d091abd2d132d4ddf1208d81f52c9742f046cf9..bc3a0930ed643f57f999c9595c692dc9d5313aed 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 966d58dc62742ca1802c5f6b582ff9dcec65a214..4b1b335097b597d622f20f9975c260a1a6673b4e 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 6a8cd15555bb2ef3154dcab175d743e4ad08ad1b..fef57040a4e25a0de9af560f8a6eab8a68f52527 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 8b3eddbcf9a48909192700647f9d78949ef247e2..19593568031a693f9f212c350e95492d425eb9ac 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;