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Date:   Fri, 1 May 2020 01:36:51 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     ira.weiny@intel.com
Cc:     linux-kernel@vger.kernel.org,
        Andrew Morton <akpm@linux-foundation.org>,
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Subject: Re: [PATCH V1 02/10] arch/xtensa: Move kmap build bug out of the way
Message-ID: <20200501083651.GB27858@infradead.org>
References: <20200430203845.582900-1-ira.weiny@intel.com>
 <20200430203845.582900-3-ira.weiny@intel.com>
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On Thu, Apr 30, 2020 at 01:38:37PM -0700, ira.weiny@intel.com wrote:
> @@ -88,6 +88,11 @@ void __init kmap_init(void)
>  {
>  	unsigned long kmap_vstart;
>  
> +	/* Check if this memory layout is broken because PKMAP overlaps
> +	 * page table.
> +	 */
> +	BUILD_BUG_ON(PKMAP_BASE <
> +		     TLBTEMP_BASE_1 + TLBTEMP_SIZE);

This can fit on a single line.  Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>