Commit 3cd39bc3 authored by Alejandro Colomar's avatar Alejandro Colomar Committed by Andy Shevchenko
Browse files

kernel.h: Move ARRAY_SIZE() to a separate header 



Touching files so used for the kernel,
forces 'make' to recompile most of the kernel.

Having those definitions in more granular files
helps avoid recompiling so much of the kernel.

Signed-off-by: default avatarAlejandro Colomar <alx@kernel.org>
Reviewed-by: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230817143352.132583-2-lucas.segarra.fernandez@intel.com


[andy: reduced to cover only string.h for now]
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent cec422ab

include/linux/array_size.h

0 → 100644
+13 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _LINUX_ARRAY_SIZE_H

#define _LINUX_ARRAY_SIZE_H



#include <linux/compiler.h>



/**

 * ARRAY_SIZE - get the number of elements in array @arr

 * @arr: array to be sized

 */

#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))



#endif  /* _LINUX_ARRAY_SIZE_H */

include/linux/kernel.h

+1 −6
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 


#include <linux/stdarg.h>

#include <linux/align.h>

#include <linux/array_size.h>

#include <linux/limits.h>

#include <linux/linkage.h>

#include <linux/stddef.h>
@@ -50,12 +51,6 @@ 
#define READ			0

#define WRITE			1



/**

 * ARRAY_SIZE - get the number of elements in array @arr

 * @arr: array to be sized

 */

#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))



#define PTR_IF(cond, ptr)	((cond) ? (ptr) : NULL)



#define u64_to_user_ptr(x) (		\

include/linux/string.h

+1 −0
Original line number Diff line number Diff line
@@ -2,6 +2,7 @@ 
#ifndef _LINUX_STRING_H_

#define _LINUX_STRING_H_



#include <linux/array_size.h>

#include <linux/compiler.h>	/* for inline */

#include <linux/types.h>	/* for size_t */

#include <linux/stddef.h>	/* for NULL */