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Groups > linux.kernel > #1337836
| From | Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation |
| Date | 2016-02-19 03:20 +0100 |
| Message-ID | <r3IPL-6ud-1@gated-at.bofh.it> (permalink) |
| References | <r2hHX-3rm-5@gated-at.bofh.it> <r2hHX-3rm-3@gated-at.bofh.it> <r3xKG-6WT-15@gated-at.bofh.it> <r3HgZ-5mf-3@gated-at.bofh.it> <r3Id4-61g-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On (02/19/16 10:39), Joonsoo Kim wrote:
[..]
> > not sure if it's worth mentioning in the comment, but the other
> > concern here is the performance impact of an extra function call,
> > I believe. otherwise, Joonsoo would just do:
>
> It's very natural thing so I'm not sure it is worth mentioning.
agree.
> > and in mm/debug_page_ref.c
> >
> > void __page_ref_set(struct page *page, int v)
> > {
> > if (trace_page_ref_set_enabled())
> > trace_page_ref_set(page, v);
> > }
> > EXPORT_SYMBOL(__page_ref_set);
> > EXPORT_TRACEPOINT_SYMBOL(page_ref_set);
>
> It is what I did in v1.
ah... indeed. well, "That was a year ago, how am I suppose to remember"
-ss
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[PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation js1304@gmail.com - 2016-02-15 04:10 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-15 06:10 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-15 06:30 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Joonsoo Kim <js1304@gmail.com> - 2016-02-15 15:20 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Steven Rostedt <rostedt@goodmis.org> - 2016-02-15 17:10 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-02-16 01:50 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Steven Rostedt <rostedt@goodmis.org> - 2016-02-16 02:20 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Joonsoo Kim <js1304@gmail.com> - 2016-02-18 08:50 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Steven Rostedt <rostedt@goodmis.org> - 2016-02-18 15:30 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Steven Rostedt <rostedt@goodmis.org> - 2016-02-18 15:30 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-19 01:40 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Joonsoo Kim <js1304@gmail.com> - 2016-02-19 02:40 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Steven Rostedt <rostedt@goodmis.org> - 2016-02-19 02:50 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-19 03:20 +0100
Re: [PATCH 2/2] mm/page_ref: add tracepoint to track down page reference manipulation Joonsoo Kim <js1304@gmail.com> - 2016-02-19 02:30 +0100
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