patch-2.3.30 linux/include/asm-i386/pgtable-2level.h

• Lines: 20
• Date: Fri Dec 3 11:12:23 1999
• Orig file: v2.3.29/linux/include/asm-i386/pgtable-2level.h
• Orig date: Tue Nov 23 22:42:21 1999

diff -u --recursive --new-file v2.3.29/linux/include/asm-i386/pgtable-2level.h linux/include/asm-i386/pgtable-2level.h
@@ -34,6 +34,19 @@
 extern inline int pgd_present(pgd_t pgd)	{ return 1; }
 #define pgd_clear(xp)				do { } while (0)
 
+/*
+ * Certain architectures need to do special things when PTEs
+ * within a page table are directly modified.  Thus, the following
+ * hook is made available.
+ */
+#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
+/*
+ * (pmds are folded into pgds so this doesnt get actually called,
+ * but the define is needed for a generic inline function.)
+ */
+#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
+#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
+
 #define pgd_page(pgd) \
 ((unsigned long) __va(pgd_val(pgd) & PAGE_MASK))