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Date:   Fri, 1 May 2020 01:44:46 -0700
From:   Christoph Hellwig <>
        Andrew Morton <>,
        Christian Koenig <>,
        Huang Rui <>,
        Peter Zijlstra <>,
        Dave Hansen <>,,
        "James E.J. Bottomley" <>,
        Max Filippov <>,
        Paul Mackerras <>,
        "H. Peter Anvin" <>,,
        Thomas Gleixner <>,
        Helge Deller <>,,, Ingo Molnar <>,,,
        Borislav Petkov <>,
        Andy Lutomirski <>,
        Dan Williams <>,,
        Chris Zankel <>,
        Thomas Bogendoerfer <>,,,,
        "David S. Miller" <>
Subject: sparc-related comment, to Re: [PATCH V1 07/10] arch/kmap: Ensure
 kmap_prot visibility

> --- a/arch/sparc/mm/highmem.c
> +++ b/arch/sparc/mm/highmem.c
> @@ -33,6 +33,7 @@
>  #include <asm/vaddrs.h>
>  pgprot_t kmap_prot;
> +EXPORT_SYMBOL(kmap_prot);

Btw, I don't see why sparc needs this as a variable, as there is just
a single assignment to it.

If sparc is sorted out we can always make it a define, and use a define
for kmap_prot that defaults to PAGE_KERNEL, avoiding a little
more duplication.

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