Re: [stable request] perf tools: Add anonymous huge page recognition

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Vinson Lee <vlee@xxxxxxxxxxxxxxx> writes:

> Hi.
>
> Please consider upstream commit
> d0528b5d71faf612014dd7672e44225c915344b2 for all stable trees.

Thanks, I'm queuing it for the 3.5 kernel.

Cheers,
-- 
Luis


>
> commit d0528b5d71faf612014dd7672e44225c915344b2
> Author: Joshua Zhu <zhu.wen-jie@xxxxxx>
> Date:   Sat Jan 5 13:29:57 2013 +0800
>
>     perf tools: Add anonymous huge page recognition
>
>     Judging anonymous memory's vm_area_struct, perf_mmap_event's filename
>     will be set to "//anon" indicating this vma belongs to anonymous
>     memory.
>
>     Once hugepage is used, vma's vm_file points to hugetlbfs. In this way,
>     this vma will not be regarded as anonymous memory by is_anon_memory() in
>     perf user space utility.
>
>     Signed-off-by: Joshua Zhu <zhu.wen-jie@xxxxxx>
>     Cc: Akihiro Nagai <akihiro.nagai.hw@xxxxxxxxxxx>
>     Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
>     Cc: David Ahern <dsahern@xxxxxxxxx>
>     Cc: Ingo Molnar <mingo@xxxxxxxxxx>
>     Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
>     Cc: Joshua Zhu <zhu.wen-jie@xxxxxx>
>     Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
>     Cc: Paul Mackerras <paulus@xxxxxxxxx>
>     Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
>     Link: http://lkml.kernel.org/r/1357363797-3550-1-git-send-email-zhu.wen-jie@xxxxxx
>     Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
>
> Cheers,
> Vinson
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