[PATCH v2] Documentation: checkpatch: Tweak BIT() macro include

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While include/linux/bitops.h brings in the BIT() macro, it was moved to
include/linux/bits.h in commit 8bd9cb51daac ("locking/atomics, asm-generic:
Move some macros from <linux/bitops.h> to a new <linux/bits.h> file").

Since that commit BIT() has moved again into include/vdso/bits.h via
commit 3945ff37d2f4 ("linux/bits.h: Extract common header for vDSO").

I think the move to the vDSO header can be considered an implementation
detail, so for now update the checkpatch documentation to recommend use
of include/linux/bits.h.

Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
Acked-by: Jiri Slaby <jirislaby@xxxxxxxxxx>
Signed-off-by: Andrew Jeffery <andrew@xxxxxxxx>
---
 Documentation/dev-tools/checkpatch.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/dev-tools/checkpatch.rst b/Documentation/dev-tools/checkpatch.rst
index 51fed1bd72ec..59fcc9f627ea 100644
--- a/Documentation/dev-tools/checkpatch.rst
+++ b/Documentation/dev-tools/checkpatch.rst
@@ -472,7 +472,7 @@ Macros, Attributes and Symbols
 
   **BIT_MACRO**
     Defines like: 1 << <digit> could be BIT(digit).
-    The BIT() macro is defined in include/linux/bitops.h::
+    The BIT() macro is defined via include/linux/bits.h::
 
       #define BIT(nr)         (1UL << (nr))
 
-- 
2.30.2




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