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78e48f0667
Sync implementation with the kernel and move the macro from tools/include/linux/bitmap.h to tools/include/asm-generic/bitsperlong.h Link: https://lkml.kernel.org/r/20210401003153.97325-7-yury.norov@gmail.com Signed-off-by: Yury Norov <yury.norov@gmail.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Alexey Klimov <aklimov@redhat.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David Sterba <dsterba@suse.com> Cc: Dennis Zhou <dennis@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jianpeng Ma <jianpeng.ma@intel.com> Cc: Joe Perches <joe@perches.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Rich Felker <dalias@libc.org> Cc: Stefano Brivio <sbrivio@redhat.com> Cc: Wei Yang <richard.weiyang@linux.alibaba.com> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> Cc: Yoshinori Sato <ysato@users.osdn.me> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
24 lines
596 B
C
24 lines
596 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_GENERIC_BITS_PER_LONG
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#define __ASM_GENERIC_BITS_PER_LONG
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#include <uapi/asm-generic/bitsperlong.h>
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#ifdef __SIZEOF_LONG__
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#define BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__)
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#else
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#define BITS_PER_LONG __WORDSIZE
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#endif
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#if BITS_PER_LONG != __BITS_PER_LONG
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#error Inconsistent word size. Check asm/bitsperlong.h
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#endif
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#ifndef BITS_PER_LONG_LONG
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#define BITS_PER_LONG_LONG 64
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#endif
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#define small_const_nbits(nbits) \
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(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG && (nbits) > 0)
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#endif /* __ASM_GENERIC_BITS_PER_LONG */
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