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-rw-r--r--include/linux/ftrace.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 404a686a3644..e4e7df422021 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -322,8 +322,11 @@ enum {
FTRACE_FL_REGS_EN = (1UL << 31)
};
-#define FTRACE_FL_MASK (0x7UL << 29)
-#define FTRACE_REF_MAX ((1UL << 29) - 1)
+#define FTRACE_REF_MAX_SHIFT 29
+#define FTRACE_FL_BITS 3
+#define FTRACE_FL_MASKED_BITS ((1UL << FTRACE_FL_BITS) - 1)
+#define FTRACE_FL_MASK (FTRACE_FL_MASKED_BITS << FTRACE_REF_MAX_SHIFT)
+#define FTRACE_REF_MAX ((1UL << FTRACE_REF_MAX_SHIFT) - 1)
struct dyn_ftrace {
unsigned long ip; /* address of mcount call-site */