Re: [PATCH v2 1/3] mm/gup: add make_dirty arg to put_user_pages_dirty_lock()

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On 7/23/19 6:26 PM, john.hubbard@xxxxxxxxx wrote:
> From: John Hubbard <jhubbard@xxxxxxxxxx>
...
> +		 * 2) This code sees the page as clean, so it calls
> +		 * set_page_dirty(). The page stays dirty, despite being
> +		 * written back, so it gets written back again in the
> +		 * next writeback cycle. This is harmless.
> +		 */
> +		if (!PageDirty(page))
> +			set_page_dirty_lock(page);
> +		break;

ahem, the above "break" should not be there, it's an artifact, sorry about 
that. Will correct on the next iteration.

thanks,
-- 
John Hubbard
NVIDIA


> +		put_user_page(page);
> +	}
>  }
>  EXPORT_SYMBOL(put_user_pages_dirty_lock);
>  
> 



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