Re: [PATCH 2/5] kernel/dma: remove unnecessary unmap_kernel_range

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To: Nicholas Piggin <npiggin@xxxxxxxxx>
Subject: Re: [PATCH 2/5] kernel/dma: remove unnecessary unmap_kernel_range
From: Christoph Hellwig <hch@xxxxxx>
Date: Tue, 26 Jan 2021 07:38:05 +0100
Cc: linux-mm@xxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
In-reply-to: <20210126045404.2492588-3-npiggin@gmail.com>
References: <20210126045404.2492588-1-npiggin@gmail.com> <20210126045404.2492588-3-npiggin@gmail.com>
User-agent: Mutt/1.5.17 (2007-11-01)

On Tue, Jan 26, 2021 at 02:54:01PM +1000, Nicholas Piggin wrote:
> vunmap will remove ptes.

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH 0/5] mm/vmalloc: cleanup after hugepage series
  - From: Nicholas Piggin
- [PATCH 2/5] kernel/dma: remove unnecessary unmap_kernel_range
  - From: Nicholas Piggin

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