perfcounters: remove ->nr_inherited

Impact: remove dead code

nr_inherited was not maintained correctly (not decremented) - and also
not used - remove it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 53af11d3767b..1ea08e9f31ce 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -164,7 +164,6 @@ struct perf_counter {
         struct task_struct              *task;
         struct file                     *filp;
 
-        unsigned int                    nr_inherited;
         struct perf_counter             *parent;
         /*
          * Protect attach/detach:
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 2e73929a6959..48e1dbcdc1cd 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -1308,7 +1308,6 @@ inherit_counter(struct perf_counter *parent_counter,
         child_ctx->nr_counters++;
 
         child_counter->parent = parent_counter;
-        parent_counter->nr_inherited++;
         /*
          * inherit into child's child as well:
          */