[linuxsh-dev] Electric Fence problems

[NIIBE Y. <gn...@m1...>]

Please try this out.  I've committed it.

2001-07-18  NIIBE Yutaka  <gn...@m1...>
 
	* arch/sh/mm/fault.c (__do_page_fault): Use pte_not_present.
	* include/asm-sh/pgtable.h (pte_not_present): New inline function.

Index: arch/sh/mm/fault.c
===================================================================
RCS file: /cvsroot/linuxsh/kernel/arch/sh/mm/fault.c,v
retrieving revision 1.43
diff -u -r1.43 fault.c
--- arch/sh/mm/fault.c	2001/07/17 11:45:05	1.43
+++ arch/sh/mm/fault.c	2001/07/18 04:26:06
@@ -255,7 +255,7 @@
 	}
 	pte = pte_offset(pmd, address);
 	entry = *pte;
-	if (pte_none(entry) || !pte_present(entry)
+	if (pte_none(entry) || pte_not_present(entry)
 	    || (writeaccess && !pte_write(entry)))
 		return 1;
 
Index: include/asm-sh/pgtable.h
===================================================================
RCS file: /cvsroot/linuxsh/kernel/include/asm-sh/pgtable.h,v
retrieving revision 1.33
diff -u -r1.33 pgtable.h
--- include/asm-sh/pgtable.h	2001/07/08 08:35:07	1.33
+++ include/asm-sh/pgtable.h	2001/07/18 04:26:08
@@ -210,6 +210,7 @@
 static inline int pte_dirty(pte_t pte){ return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte){ return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte){ return pte_val(pte) & _PAGE_RW; }
+static inline int pte_not_present(pte_t pte){ return !(pte_val(pte) & _PAGE_PRESENT); }
 
 static inline pte_t pte_rdprotect(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
 static inline pte_t pte_exprotect(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
--