s390/mm: provide PAGE_SHARED define
Only needed to make some drivers compile... Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -385,6 +385,7 @@ extern unsigned long MODULES_END;
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#define PAGE_RW __pgprot(_PAGE_TYPE_RW)
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#define PAGE_KERNEL PAGE_RW
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#define PAGE_SHARED PAGE_KERNEL
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#define PAGE_COPY PAGE_RO
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/*
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