Re: [PATCH 0/3] Rename variables in mmu_notifier.c

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On Thu, Jan 16, 2020 at 12:39:42PM -0400, Jason Gunthorpe wrote:
> From: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
> 
> Linus has observed that the variable names here do not make a lot of sense,
> revise them as discussed so the file has better readability.
> 
> The new names are:
> 
>   struct mmu_notifier_mm -> struct mmu_notifier_subscriptions
>   mmu_notifier_mm or mmn_mm -> subscriptions
>    The per mm_struct memory that holds all the notifier subscription list
>    heads and interval tree
> 
>   mn -> subscription (of type struct mmu_notifier)
>    A list based subscription to notifications
> 
>   mni -> interval_sub (of type struct mmu_interval_notifier)
>    A VA interval based subscription to notifications
> 
> I had originaly thought to also change the struct names, and while they are
> not ideal, it seems that the resulting tree wide churn is probably not
> worthwhile considering the size.
> 
> This is intended to have no functional change.
> 
> Jason Gunthorpe (3):
>   mm/mmu_notifier: Rename struct mmu_notifier_mm to
>     mmu_notifier_subscriptions
>   mm/mmu_notifiers: Use 'subscription' as the variable name for
>     mmu_notifier
>   mm/mmu_notifiers: Use 'interval_sub' as the variable for
>     mmu_interval_notifier

As there has been no comments, and Linus was favorable to the first
patch, I will go ahead with this during the merge window on the hmm.git
Thanks

Jason




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