Re: [PATCH v9 10/42] x86/mm: Introduce _PAGE_SAVED_DIRTY

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Subject: Re: [PATCH v9 10/42] x86/mm: Introduce _PAGE_SAVED_DIRTY

From: "Edgecombe, Rick P" <rick.p.edgecombe@xxxxxxxxx>

Date: Tue, 13 Jun 2023 16:01:32 +0000

Accept-language: en-US

Cc: "Yu, Yu-cheng" <yu-cheng.yu@xxxxxxxxx>, "Xu, Pengfei" <pengfei.xu@xxxxxxxxx>

In-reply-to: <20230613001108.3040476-11-rick.p.edgecombe@intel.com>

References: <20230613001108.3040476-1-rick.p.edgecombe@intel.com> <20230613001108.3040476-11-rick.p.edgecombe@intel.com>

User-agent: Evolution 3.44.4-0ubuntu1

On Mon, 2023-06-12 at 17:10 -0700, Rick Edgecombe wrote:
> +#ifdef CONFIG_X86_64
> +#define _PAGE_SAVED_DIRTY      (_AT(pteval_t, 1) <<
> _PAGE_BIT_SAVED_DIRTY)
> +#else
> +#define _PAGE_SAVED_DIRTY      (_AT(pteval_t, 0))
> +#endif

Argh, the !CONFIG_X86_64 case here needs to be dropped now.