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Date: Wed, 5 Jan 2005 14:37:42 +0100
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] s390: add missing pte_read function
Message-ID: <20050105133742.GA9147@osiris.boeblingen.de.ibm.com>
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Hi Andrew,

this patch adds the missing pte_read function and makes s390 compile again.

Thanks,
Heiko

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

diff -urN linux-2.6/include/asm-s390/pgtable.h linux-2.6-patched/include/asm-s390/pgtable.h
--- linux-2.6/include/asm-s390/pgtable.h	2005-01-05 11:46:12.000000000 +0100
+++ linux-2.6-patched/include/asm-s390/pgtable.h	2005-01-05 14:31:14.000000000 +0100
@@ -418,6 +418,14 @@
 	return 0;
 }
 
+extern inline int pte_read(pte_t pte)
+{
+	/* All pages are readable since we don't use the fetch
+	 * protection bit in the storage key.
+	 */
+	return 1;
+}
+
 /*
  * pgd/pmd/pte modification functions
  */