mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 12:14:01 +08:00
2dfc383ad5
This patch introduces the C-language equivalent of the function: int fls64(__u64 x); In include/asm-generic/bitops/fls64.h This code largely copied from: include/linux/bitops.h Signed-off-by: Akinobu Mita <mita@miraclelinux.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
13 lines
221 B
C
13 lines
221 B
C
#ifndef _ASM_GENERIC_BITOPS_FLS64_H_
|
|
#define _ASM_GENERIC_BITOPS_FLS64_H_
|
|
|
|
static inline int fls64(__u64 x)
|
|
{
|
|
__u32 h = x >> 32;
|
|
if (h)
|
|
return fls(h) + 32;
|
|
return fls(x);
|
|
}
|
|
|
|
#endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */
|