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linux-stable-mirror/include/linux/array_size.h
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Alejandro Colomar 57752d523a kernel.h: Move ARRAY_SIZE() to a separate header
[ Upstream commit 3cd39bc3b1 ]

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: Alejandro Colomar <alx@kernel.org>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Andy 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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Stable-dep-of: 896f1a2493 ("net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-12-01 11:41:47 +01:00

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C

/* 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 */