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-rw-r--r--arch/arm/include/asm/ucontext.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ucontext.h b/arch/arm/include/asm/ucontext.h
index 14749aec94bf..921d8274855c 100644
--- a/arch/arm/include/asm/ucontext.h
+++ b/arch/arm/include/asm/ucontext.h
@@ -35,6 +35,12 @@ struct ucontext {
* bytes, to prevent unpredictable padding in the signal frame.
*/
+/*
+ * Dummy padding block: if this magic is encountered, the block should
+ * be skipped using the corresponding size field.
+ */
+#define DUMMY_MAGIC 0xb0d9ed01
+
#ifdef CONFIG_CRUNCH
#define CRUNCH_MAGIC 0x5065cf03
#define CRUNCH_STORAGE_SIZE (CRUNCH_SIZE + 8)