[PATCH] include: linux/limits: add definition for RESOURCE_SIZE_MAX

Ahmad Fatoum a.fatoum at pengutronix.de
Tue Apr 8 23:56:12 PDT 2025


This is the maximum value that can be stored in a resource_size_t
and can be used as dummy invalid value if needed.

Import it with the same definition as in Linux.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
 include/linux/limits.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/limits.h b/include/linux/limits.h
index 8baf8494943e..2318e4f606d5 100644
--- a/include/linux/limits.h
+++ b/include/linux/limits.h
@@ -22,6 +22,8 @@
 #define INTPTR_MAX	LONG_MAX
 #define UINTPTR_MAX	ULONG_MAX
 
+#define RESOURCE_SIZE_MAX	((resource_size_t)~0)
+
 #define U8_MAX		((u8)~0U)
 #define S8_MAX		((s8)(U8_MAX >> 1))
 #define S8_MIN		((s8)(-S8_MAX - 1))
-- 
2.39.5




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