The patch titled
sched: align rq to cacheline boundary
has been removed from the -mm tree. Its filename was
sched-align-rq-to-cacheline-boundary.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: sched: align rq to cacheline boundary
From: "Siddha, Suresh B" <suresh.b.siddha@xxxxxxxxx>
Align the per cpu runqueue to the cacheline boundary. This will minimize
the number of cachelines touched during remote wakeup.
Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxx>
Cc: Ravikiran G Thirumalai <kiran@xxxxxxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sched.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/sched.c~sched-align-rq-to-cacheline-boundary kernel/sched.c
--- a/kernel/sched.c~sched-align-rq-to-cacheline-boundary
+++ a/kernel/sched.c
@@ -304,7 +304,7 @@ struct rq {
struct lock_class_key rq_lock_key;
};
-static DEFINE_PER_CPU(struct rq, runqueues);
+static DEFINE_PER_CPU(struct rq, runqueues) ____cacheline_aligned_in_smp;
static inline int cpu_of(struct rq *rq)
{
_
Patches currently in -mm which might be from suresh.b.siddha@xxxxxxxxx are
origin.patch
git-ia64.patch
-
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