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authorSiddha, Suresh B <suresh.b.siddha@intel.com>2006-10-03 01:14:08 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:04:06 -0700
commit1a84887080dc15f048db7c3a643e98f1435790d6 (patch)
tree7cd335fee247c0b60f8562c82806b49435b5fb9d /include/linux
parent74732646431a1bb7e23e6b564127a8881cfef900 (diff)
[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 <suresh.b.siddha@intel.com> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Paul Jackson <pj@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/sched.h1
-rw-r--r--include/linux/topology.h3
2 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 38530232d92..8e26c9069f1 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 ec1eca85290..486bec23f98 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(), \