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-rw-r--r--include/linux/mm.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index ccac10682ce5..f945dff34925 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -243,6 +243,9 @@ extern unsigned int kobjsize(const void *objp);
# define VM_GROWSUP VM_ARCH_1
#elif defined(CONFIG_IA64)
# define VM_GROWSUP VM_ARCH_1
+#elif defined(CONFIG_SPARC64)
+# define VM_SPARC_ADI VM_ARCH_1 /* Uses ADI tag for access control */
+# define VM_ARCH_CLEAR VM_SPARC_ADI
#elif !defined(CONFIG_MMU)
# define VM_MAPPED_COPY VM_ARCH_1 /* T if mapped copy of data (nommu mmap) */
#endif
@@ -285,6 +288,12 @@ extern unsigned int kobjsize(const void *objp);
/* This mask is used to clear all the VMA flags used by mlock */
#define VM_LOCKED_CLEAR_MASK (~(VM_LOCKED | VM_LOCKONFAULT))
+/* Arch-specific flags to clear when updating VM flags on protection change */
+#ifndef VM_ARCH_CLEAR
+# define VM_ARCH_CLEAR VM_NONE
+#endif
+#define VM_FLAGS_CLEAR (ARCH_VM_PKEY_FLAGS | VM_ARCH_CLEAR)
+
/*
* mapping from the currently active vm_flags protection bits (the
* low four bits) to a page protection mask..