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Date:   Tue, 24 Nov 2020 14:19:41 +0000
From:   Matthew Wilcox <willy@infradead.org>
To:     ira.weiny@intel.com
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Subject: Re: [PATCH 01/17] mm/highmem: Lift memcpy_[to|from]_page and
 memset_page to core
Message-ID: <20201124141941.GB4327@casper.infradead.org>
References: <20201124060755.1405602-1-ira.weiny@intel.com>
 <20201124060755.1405602-2-ira.weiny@intel.com>
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On Mon, Nov 23, 2020 at 10:07:39PM -0800, ira.weiny@intel.com wrote:
> +static inline void memzero_page(struct page *page, size_t offset, size_t len)
> +{
> +	memset_page(page, 0, offset, len);
> +}

This is a less-capable zero_user_segments().