linux-kernel - Re: [PATCH v4 4/6] x86/mm: Introduce CONFIG_KEEP

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Date:   Thu, 13 Feb 2020 12:22:23 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Dan Williams <dan.j.williams@...el.com>, mingo@...hat.com
Cc:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        Michal Hocko <mhocko@...e.com>, vishal.l.verma@...el.com,
        hch@....de, linux-kernel@...r.kernel.org,
        linux-nvdimm@...ts.01.org, x86@...nel.org
Subject: Re: [PATCH v4 4/6] x86/mm: Introduce CONFIG_KEEP_NUMA

Dan Williams <dan.j.williams@...el.com> writes:
> +#ifdef CONFIG_KEEP_NUMA
> +#define __initdata_numa
> +#else
> +#define __initdata_numa __initdata
> +#endif

TBH, I find this conditional annotation mightingly confusing.

__initdata_numa still suggest that this is __initdata, just a different
section and some extra rules or whatever.

Something like __initdata_or_keepnuma (sorry I could not come up with
something prettier, but you get the idea.

Thanks,

        tglx