Messages in this thread Patch in this message | | | Date | Fri, 18 Mar 2011 12:07:41 +0800 | From | Lai Jiangshan <> | Subject | [PATCH 26/36] perf,rcu: convert call_rcu(free_ctx) to kfree_rcu() |
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The rcu callback free_ctx() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(free_ctx).
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> --- kernel/perf_event.c | 10 +--------- 1 files changed, 1 insertions(+), 9 deletions(-)
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index ed253aa..b0581bd 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -584,14 +584,6 @@ static void get_ctx(struct perf_event_context *ctx) WARN_ON(!atomic_inc_not_zero(&ctx->refcount)); } -static void free_ctx(struct rcu_head *head) -{ - struct perf_event_context *ctx; - - ctx = container_of(head, struct perf_event_context, rcu_head); - kfree(ctx); -} - static void put_ctx(struct perf_event_context *ctx) { if (atomic_dec_and_test(&ctx->refcount)) { @@ -599,7 +591,7 @@ static void put_ctx(struct perf_event_context *ctx) put_ctx(ctx->parent_ctx); if (ctx->task) put_task_struct(ctx->task); - call_rcu(&ctx->rcu_head, free_ctx); + kfree_rcu(ctx, rcu_head); } } -- 1.7.4
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