Messages in this thread Patch in this message | | | From | Miaohe Lin <> | Subject | [PATCH] cgroup: use cached local variable parent in for loop | Date | Sat, 15 Jul 2023 11:08:29 +0800 |
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Use local variable parent to initialize iter tcgrp in for loop so the size of cgroup.o can be reduced by 64 bytes. No functional change intended.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 6225d5829459..033f38fb5cef 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5894,7 +5894,7 @@ static int cgroup_destroy_locked(struct cgroup *cgrp) parent->nr_threaded_children--; spin_lock_irq(&css_set_lock); - for (tcgrp = cgroup_parent(cgrp); tcgrp; tcgrp = cgroup_parent(tcgrp)) { + for (tcgrp = parent; tcgrp; tcgrp = cgroup_parent(tcgrp)) { tcgrp->nr_descendants--; tcgrp->nr_dying_descendants++; /* -- 2.33.0
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