Re: Highmem fails to compile with 2.6.10-rc1-mm5

From: Jurriaan
Date: Fri Nov 12 2004 - 12:05:09 EST


From: Libor Vanek <libor@xxxxxxxx>
Date: Fri, Nov 12, 2004 at 03:33:07PM +0100
> Hi,
> I got problems when compiling latest 2.6.10-rc1-mm5 with enabled
> highmem (set to 4GB). I got this error:
>
> CC arch/i386/mm/mmap.o
> CC arch/i386/mm/highmem.o
> arch/i386/mm/highmem.c:96: error: conflicting types for
> 'kmap_atomic_to_page'
> include/asm/highmem.h:65: error: previous declaration of
> 'kmap_atomic_to_page' was here
> arch/i386/mm/highmem.c:96: error: conflicting types for
> 'kmap_atomic_to_page'
> include/asm/highmem.h:65: error: previous declaration of
> 'kmap_atomic_to_page' was here
> make[1]: *** [arch/i386/mm/highmem.o] Error 1
> make: *** [arch/i386/mm] Error 2
>
> I got gcc 3.4.2 (Fedora rawhide). I attach my .config.
>
A patch was posted:


From: Andrew Morton <akpm@xxxxxxxx>

Needs a fixup for CONFIG_HIGHMEM

--- linux-bix/include/asm/highmem.h~a 2004-11-11 03:07:37.105728944 -0800
+++ linux-bix-akpm/include/asm/highmem.h 2004-11-11 03:07:49.511842928 -0800
@@ -62,7 +62,7 @@ void kunmap(struct page *page);
char *kmap_atomic(struct page *page, enum km_type type);
void kunmap_atomic(char *kvaddr, enum km_type type);
char *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
-struct page *kmap_atomic_to_page(void *ptr);
+struct page *kmap_atomic_to_page(char *ptr);

#define flush_cache_kmaps() do { } while (0)

Also, to prevent needlessly large messages, could you filter out all the
'is not set' lines when posting your .config? They are not necessary for
anybody. Just grep "=" /usr/src/linux-x.x.xx/.config and you'll save
lots of bandwidth.

Kind regards,
Jurriaan
--
And you have the right to free speech, as long as you're not dumb
enough, to actually try it...
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Debian (Unstable) GNU/Linux 2.6.9-mm1 2x6078 bogomips load 0.22
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