Re: [PATCH v2 1/1] mm/ksm: improve deduplication of zero pages with colouring

From	Andrea Arcangeli <aarcange@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 1/1] mm/ksm: improve deduplication of zero pages with colouring
Date	2017-01-19 23:20 +0100
Message-ID	<t1tdM-7m6-9@gated-at.bofh.it> (permalink)
References	<t1tdM-7m6-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello,

On Thu, Jan 19, 2017 at 07:35:53PM +0100, Claudio Imbrenda wrote:
> +/* Checksum of an empty (zeroed) page */
> +static unsigned int zero_checksum;
> +
> +/* Whether to merge empty (zeroed) pages with actual zero pages */
> +static bool ksm_use_zero_pages;

Both could be defined as __read_mostly.

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Re: [PATCH v2 1/1] mm/ksm: improve deduplication of zero pages with  colouring Andrea Arcangeli <aarcange@redhat.com> - 2017-01-19 23:20 +0100

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