mm: don't lose the SOFT_DIRTY flag on mprotect

[cascardo/linux.git] / arch / x86 / include / asm / pgtable_types.h

diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index a83aa44..1aa9ccd 100644 (file)
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -121,7 +121,8 @@
 
 /* Set of bits not changed in pte_modify */
 #define _PAGE_CHG_MASK (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT |         \
-                        _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY)
+                        _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY | \
+                        _PAGE_SOFT_DIRTY)
 #define _HPAGE_CHG_MASK (_PAGE_CHG_MASK | _PAGE_PSE)
 
 #define _PAGE_CACHE_MASK       (_PAGE_PCD | _PAGE_PWT)