Update of /cvsroot/linux-vax/kernel-2.5/include/asm-vax/mm
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv29191/include/asm-vax/mm
Modified Files:
pagelet_pgprot.h pagelet_pte.h
Log Message:
Implement pte_read()
Index: pagelet_pgprot.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/include/asm-vax/mm/pagelet_pgprot.h,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- pagelet_pgprot.h 20 May 2002 00:33:39 -0000 1.3
+++ pagelet_pgprot.h 28 Mar 2005 16:36:59 -0000 1.4
@@ -58,7 +58,7 @@
#define _PAGE_CHG_MASK (_PFN_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
-/*#define PAGE_PROT_MASK (0x1e000000)*/
+#define PAGE_PROT_MASK 0x78000000
#define PAGE_NONE __pgprot(_PAGE_VALID | _PAGE_ACCESSED)
#define PAGE_SHARED __pgprot(_PAGE_VALID | _PAGE_ACCESSED | _PAGE_UW )
Index: pagelet_pte.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.5/include/asm-vax/mm/pagelet_pte.h,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -d -r1.6 -r1.7
--- pagelet_pte.h 26 Aug 2003 23:20:39 -0000 1.6
+++ pagelet_pte.h 28 Mar 2005 16:37:00 -0000 1.7
@@ -1,5 +1,6 @@
#ifndef _VAX_MM_PAGELET_PTE_H
#define _VAX_MM_PAGELET_PTE_H
+
/*
* pagelet_pte.h
*
@@ -233,6 +234,12 @@
return pte;
}
+static inline int pte_read(pte_t pte)
+{
+ /* If the page protection is non-zero, page is always kernel readable */
+ return (pte_val(pte) & PAGE_PROT_MASK);
+}
+
static inline int pte_write(pte_t pte)
{
return !(pte_val(pte) & _PAGE_RO);
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