Trying to build a source file which included bitops.h, but didn't also
bring in the definition for __WORDSIZE (by including limits.h, for example)
would result in the following error:
include/linux/bitops.h:8:23: error: ‘__WORDSIZE’ undeclared (first use in this function)
8 | #define BITS_PER_LONG __WORDSIZE
| ^~~~~~~~~~
The symbol is defined in the bits/wordsize.h header file, include it.
Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
---
include/linux/bitops.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 56448b71ebbf..3d31f0acf48e 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -1,6 +1,8 @@
#ifndef _KVM_LINUX_BITOPS_H_
#define _KVM_LINUX_BITOPS_H_
+#include <bits/wordsize.h>
+
#include <linux/kernel.h>
#include <linux/compiler.h>
#include <asm/hweight.h>
--
2.31.1
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