lkml.org 
[lkml]   [2014]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: __trace_remove_event_dirs() leaks file->filter ? (Was: probe_event_disable()->synchronize_sched())
On 07/04, Masami Hiramatsu wrote:
>
> (2014/07/04 2:01), Oleg Nesterov wrote:
> > On 07/03, Oleg Nesterov wrote:
> >>
> >> Hmm. Off-topic, but it seems that instance_rmdir() leaks the memory? Say,
> >> file->filter?
> >
> > Perhaps I am totally confused, but don't we need something like the patch
> > below? I'll try to recheck later...
> >
> > Better yet, we can probably move destroy_preds() from event_remove() to
> > remove_event_file_dir()... not sure, need to recheck.
>
> Ah, yes, it seems event_remove releases preds, and remove_event_file_dir()
> called from event_trace_del_tracer() doesn't release it.
>
> BTW, with following patch, we'd better remove destroy_preds() from
> event_remove() and add destroy_call_preds() at the very last of the
> function.

Yes, please see "Better yet" above. And probably we can simply remove
destroy_preds() after that.

But I still need to reccheck, didn't have time today. And you know what?
call->filter logic looks broken too ;)

Oleg.



\
 
 \ /
  Last update: 2014-07-04 22:01    [W:0.111 / U:0.628 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site