Re: [PATCH 07/16] zram: don't use highmem for the bounce buffer in zram_bvec_{read,write}

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 07/16] zram: don't use highmem for the bounce buffer in zram_bvec_{read,write}
From: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Date: Thu, 6 Apr 2023 11:46:31 +0900
Cc: Minchan Kim <minchan@xxxxxxxxxx>, Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx
In-reply-to: <20230404150536.2142108-8-hch@lst.de>
References: <20230404150536.2142108-1-hch@lst.de> <20230404150536.2142108-8-hch@lst.de>

On (23/04/04 17:05), Christoph Hellwig wrote:
> There is no point in allocation a highmem page when we instantly need
> to copy from it.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Makes sense to me

Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>

References:
- zram I/O path cleanups and fixups
  - From: Christoph Hellwig
- [PATCH 07/16] zram: don't use highmem for the bounce buffer in zram_bvec_{read,write}
  - From: Christoph Hellwig

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