From 1a84887080dc15f048db7c3a643e98f1435790d6 Mon Sep 17 00:00:00 2001 From: "Siddha, Suresh B" Date: Tue, 3 Oct 2006 01:14:08 -0700 Subject: [PATCH] sched: introduce child field in sched_domain Introduce the child field in sched_domain struct and use it in sched_balance_self(). We will also use this field in cleaning up the sched group cpu_power setup(done in a different patch) code. Signed-off-by: Suresh Siddha Acked-by: Ingo Molnar Acked-by: Nick Piggin Cc: Paul Jackson Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-i386/topology.h | 1 + include/asm-ia64/topology.h | 2 ++ include/asm-mips/mach-ip27/topology.h | 1 + include/asm-powerpc/topology.h | 1 + include/asm-x86_64/topology.h | 1 + include/linux/sched.h | 1 + include/linux/topology.h | 3 +++ 7 files changed, 10 insertions(+) (limited to 'include') diff --git a/include/asm-i386/topology.h b/include/asm-i386/topology.h index 6adbd9b1ae88..978d09596130 100644 --- a/include/asm-i386/topology.h +++ b/include/asm-i386/topology.h @@ -74,6 +74,7 @@ static inline int node_to_first_cpu(int node) #define SD_NODE_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 8, \ .max_interval = 32, \ diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h index 937c21257523..a6e38565ab4c 100644 --- a/include/asm-ia64/topology.h +++ b/include/asm-ia64/topology.h @@ -59,6 +59,7 @@ void build_cpu_to_node_map(void); #define SD_CPU_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 1, \ .max_interval = 4, \ @@ -84,6 +85,7 @@ void build_cpu_to_node_map(void); #define SD_NODE_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 8, \ .max_interval = 8*(min(num_online_cpus(), 32)), \ diff --git a/include/asm-mips/mach-ip27/topology.h b/include/asm-mips/mach-ip27/topology.h index 59d26b52ba32..a13b715fd9ca 100644 --- a/include/asm-mips/mach-ip27/topology.h +++ b/include/asm-mips/mach-ip27/topology.h @@ -22,6 +22,7 @@ extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; #define SD_NODE_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 8, \ .max_interval = 32, \ diff --git a/include/asm-powerpc/topology.h b/include/asm-powerpc/topology.h index bbc3844b086f..8f7ee16781a4 100644 --- a/include/asm-powerpc/topology.h +++ b/include/asm-powerpc/topology.h @@ -43,6 +43,7 @@ extern int pcibus_to_node(struct pci_bus *bus); #define SD_NODE_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 8, \ .max_interval = 32, \ diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h index 6e7a2e976b04..5c8f49280dbc 100644 --- a/include/asm-x86_64/topology.h +++ b/include/asm-x86_64/topology.h @@ -31,6 +31,7 @@ extern int __node_distance(int, int); #define SD_NODE_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 8, \ .max_interval = 32, \ diff --git a/include/linux/sched.h b/include/linux/sched.h index 38530232d92f..8e26c9069f15 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -644,6 +644,7 @@ struct sched_group { struct sched_domain { /* These fields must be setup */ struct sched_domain *parent; /* top domain must be null terminated */ + struct sched_domain *child; /* bottom domain must be null terminated */ struct sched_group *groups; /* the balancing groups of the domain */ cpumask_t span; /* span of all CPUs in this domain */ unsigned long min_interval; /* Minimum balance interval ms */ diff --git a/include/linux/topology.h b/include/linux/topology.h index ec1eca85290a..486bec23f986 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -89,6 +89,7 @@ #define SD_SIBLING_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 1, \ .max_interval = 2, \ @@ -119,6 +120,7 @@ #define SD_CPU_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 1, \ .max_interval = 4, \ @@ -146,6 +148,7 @@ #define SD_ALLNODES_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ + .child = NULL, \ .groups = NULL, \ .min_interval = 64, \ .max_interval = 64*num_online_cpus(), \ -- cgit v1.2.3