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authorRik van Riel <riel@redhat.com>2013-10-07 11:29:26 +0100
committerIngo Molnar <mingo@kernel.org>2013-10-09 14:47:57 +0200
commit5e1576ed0e54d419286a8096133029062b6ad456 (patch)
tree2394e5c0ed3783e36f23961c0330276cde820e03 /kernel/fork.c
parent0f19c17929c952c6f0966d93ab05558e7bf814cc (diff)
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sched/numa: Stay on the same node if CLONE_VM
A newly spawned thread inside a process should stay on the same NUMA node as its parent. This prevents processes from being "torn" across multiple NUMA nodes every time they spawn a new thread. Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1381141781-10992-49-git-send-email-mgorman@suse.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 7192d91b5415..c93be06dee87 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1310,7 +1310,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
#endif
/* Perform scheduler related setup. Assign this task to a CPU. */
- sched_fork(p);
+ sched_fork(clone_flags, p);
retval = perf_event_init_task(p);
if (retval)