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SubjectRe: [PATCH] s390: Add missing PAGE_SHARED as an alias for PAGE_RW
On Sat, Feb 09, 2013 at 06:54:45PM +0100, Geert Uytterhoeven wrote:
> s390 allmodconfig:
>
> drivers/gpu/drm/udl/udl_fb.c:237:52: error: 'PAGE_SHARED' undeclared (first use in this function)
> drivers/media/pci/zoran/zoran_driver.c:2955:14: error: 'PAGE_SHARED' undeclared (first use in this function)
> drivers/media/usb/cpia2/cpia2_core.c:2405:66: error: 'PAGE_SHARED' undeclared (first use in this function)
> drivers/video/udlfb.c:337:52: error: 'PAGE_SHARED' undeclared (first use in this function)
> drivers/video/smscufx.c:795:52: error: 'PAGE_SHARED' undeclared (first use in this function)
> drivers/video/vfb.c:431:52: error: 'PAGE_SHARED' undeclared (first use in this function)
>
> According to an email from Martin a few years ago, the equivalent define
> for s390 is PAGE_RW, so make PAGE_SHARED an alias for PAGE_RW.
>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
> arch/s390/include/asm/pgtable.h | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
> index 098adbb..0ca3e62 100644
> --- a/arch/s390/include/asm/pgtable.h
> +++ b/arch/s390/include/asm/pgtable.h
> @@ -386,6 +386,7 @@ extern unsigned long MODULES_END;
>
> #define PAGE_KERNEL PAGE_RW
> #define PAGE_COPY PAGE_RO
> +#define PAGE_SHARED PAGE_RW

Thanks Geert. A similar patch however is already in linux-next, together
with a whole bunch of other patches which try to make s390's allmodconfig
compile again after PCI, HAS_DMA and HAS_IOMEM got enabled by our new PCI
code.



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