On Sun, Dec 2, 2012 at 7:12 AM, Ingo Molnar <mi...@kernel.org> wrote:
> * Rik van Riel <r...@redhat.com> wrote:
>
>> >+static inline void anon_vma_lock_read(struct anon_vma *anon_vma)
>> >+{
>> >+ down_read(&anon_vma->root->rwsem);
>> >+}
>>
>> I see you did not rename anon_vma_lock and anon_vma_unlock to
>> anon_vma_lock_write and anon_vma_unlock_write.
>>
>> That could get confusing to people touching that code in the
>> future.
>
> Agreed, doing that rename makes perfect sense - I've done that
> in the v2 version attached below.
>
> diff --git a/include/linux/rmap.h b/include/linux/rmap.h
> index f3f41d2..c20635c 100644
> --- a/include/linux/rmap.h
> +++ b/include/linux/rmap.h
> @@ -118,7 +118,7 @@ static inline void vma_unlock_anon_vma(struct
> vm_area_struct *vma)
> up_write(&anon_vma->root->rwsem);
> }
Note that you haven't changed the names for vma_lock_anon_vma() and
vma_unlock_anon_vma().
I don't have any real good names to suggest though.
> -static inline void anon_vma_lock(struct anon_vma *anon_vma)
> +static inline void anon_vma_lock_write(struct anon_vma *anon_vma)
> {
> down_write(&anon_vma->root->rwsem);
> }
> @@ -128,6 +128,17 @@ static inline void anon_vma_unlock(struct anon_vma
> *anon_vma)
> up_write(&anon_vma->root->rwsem);
> }
And as Rik noticed, you forgot to rename anon_vma_unlock() too.
But really, this is nitpicking. I like the idea behind the patch, and
after giving it a close look, I couldn't find anything wrong with it.
Reviewed-by: Michel Lespinasse <wal...@google.com>
--
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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