diff options
author | Rik van Riel <riel@redhat.com> | 2013-10-07 10:29:26 (GMT) |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 12:47:57 (GMT) |
commit | 5e1576ed0e54d419286a8096133029062b6ad456 (patch) | |
tree | 2394e5c0ed3783e36f23961c0330276cde820e03 /kernel/fork.c | |
parent | 0f19c17929c952c6f0966d93ab05558e7bf814cc (diff) | |
download | linux-fsl-qoriq-5e1576ed0e54d419286a8096133029062b6ad456.tar.xz |
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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 7192d91..c93be06 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) |