[PATCH 2/8] uaccess: provide a generic TASK_SIZE_MAX definition
From: Christoph Hellwig
Date: Fri Sep 04 2020 - 12:52:43 EST
Define TASK_SIZE_MAX as TASK_SIZE if not otherwise defined.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
include/linux/uaccess.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 70073c802b48ed..d0e43761c708d8 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -31,6 +31,10 @@ typedef struct {
/* empty dummy */
} mm_segment_t;
+#ifndef TASK_SIZE_MAX
+#define TASK_SIZE_MAX TASK_SIZE
+#endif
+
#define uaccess_kernel() (false)
#define user_addr_max() (TASK_SIZE_MAX)
--
2.28.0