From: Christoph Hellwig <hch@lst.de>
Date: Mon, 7 Sep 2020 05:58:18 +0000 (+0200)
Subject: uaccess: provide a generic TASK_SIZE_MAX definition
X-Git-Tag: v5.10-rc1~24^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=24ce66c04a06a678f156cf575128246f3d214b4a;p=thirdparty%2Fkernel%2Flinux.git

uaccess: provide a generic TASK_SIZE_MAX definition

Define TASK_SIZE_MAX as TASK_SIZE if not otherwise defined.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
---

diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 70073c802b48e..d0e43761c708d 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)