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ftrace: Rename ftrace_ops field from trampolines to nr_trampolines

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Having two fields within the same struct that is off by one character
can be confusing and error prone. Rename the counter "trampolines"
to "nr_trampolines" to explicitly show it is a counter and not to
be confused by the "trampoline" field.

Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2014-07-23 15:03:00 -04:00 committed by Steven Rostedt
parent ba1afef6a4
commit 0162d621dd
2 changed files with 6 additions and 6 deletions
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2
include/linux/ftrace.h
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@ -120,7 +120,7 @@ struct ftrace_ops {
void *private;
int __percpu *disabled;
#ifdef CONFIG_DYNAMIC_FTRACE
int trampolines;
int nr_trampolines;
struct ftrace_hash *notrace_hash;
struct ftrace_hash *filter_hash;
struct ftrace_hash *tramp_hash;

10
kernel/trace/ftrace.c
View File

@ -1513,7 +1513,7 @@ static void ftrace_remove_tramp(struct ftrace_ops *ops,
* The tramp_hash entry will be removed at time
* of update.
*/
ops->trampolines--;
ops->nr_trampolines--;
rec->flags &= ~FTRACE_FL_TRAMP;
}
@ -1522,7 +1522,7 @@ static void ftrace_clear_tramps(struct dyn_ftrace *rec)
struct ftrace_ops *op;
do_for_each_ftrace_op(op, ftrace_ops_list) {
if (op->trampolines)
if (op->nr_trampolines)
ftrace_remove_tramp(op, rec);
} while_for_each_ftrace_op(op);
}
@ -1617,7 +1617,7 @@ static void __ftrace_hash_rec_update(struct ftrace_ops *ops,
*/
if (ftrace_rec_count(rec) == 1 && ops->trampoline) {
rec->flags |= FTRACE_FL_TRAMP;
ops->trampolines++;
ops->nr_trampolines++;
} else {
/*
* If we are adding another function callback
@ -2185,7 +2185,7 @@ static int ftrace_save_ops_tramp_hash(struct ftrace_ops *ops)
int size, bits;
int ret;
size = ops->trampolines;
size = ops->nr_trampolines;
bits = 0;
/*
* Make the hash size about 1/2 the # found
@ -2239,7 +2239,7 @@ static int ftrace_save_tramp_hashes(void)
free_ftrace_hash(op->tramp_hash);
op->tramp_hash = NULL;
if (op->trampolines) {
if (op->nr_trampolines) {
ret = ftrace_save_ops_tramp_hash(op);
if (ret)
return ret;