linux-kernel - Re: [PATCH v9 05/10] mm: Rename migrate_pgmap

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Date:   Wed, 26 May 2021 15:41:07 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Alistair Popple <apopple@...dia.com>
Cc:     linux-mm@...ck.org, akpm@...ux-foundation.org,
        nouveau@...ts.freedesktop.org, bskeggs@...hat.com,
        rcampbell@...dia.com, linux-doc@...r.kernel.org,
        jhubbard@...dia.com, bsingharora@...il.com,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        hch@...radead.org, jglisse@...hat.com, willy@...radead.org,
        jgg@...dia.com, hughd@...gle.com
Subject: Re: [PATCH v9 05/10] mm: Rename migrate_pgmap_owner

On Mon, May 24, 2021 at 11:27:20PM +1000, Alistair Popple wrote:
> @@ -521,14 +521,14 @@ static inline void mmu_notifier_range_init(struct mmu_notifier_range *range,
>  	range->flags = flags;
>  }
>  
> -static inline void mmu_notifier_range_init_migrate(
> -			struct mmu_notifier_range *range, unsigned int flags,
> +static inline void mmu_notifier_range_init_owner(
> +			struct mmu_notifier_range *range,
> +			enum mmu_notifier_event event, unsigned int flags,
>  			struct vm_area_struct *vma, struct mm_struct *mm,
> -			unsigned long start, unsigned long end, void *pgmap)
> +			unsigned long start, unsigned long end, void *owner)
>  {
> -	mmu_notifier_range_init(range, MMU_NOTIFY_MIGRATE, flags, vma, mm,
> -				start, end);
> -	range->migrate_pgmap_owner = pgmap;
> +	mmu_notifier_range_init(range, event, flags, vma, mm, start, end);
> +	range->owner = owner;
>  }

mmu_notifier_range_init_migrate() can even be kept to just call the new helper,
then existing callers are unaffected.  Not a big deal, though:

Reviewed-by: Peter Xu <peterx@...hat.com>

Thanks,

-- 
Peter Xu