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x86, cleanup: fix description of __fls(): __fls(0) is undefined 

Ricardo M. Correia spotted that the use of __fls() in fls64() did
not seem to make sense. In fact fls64()'s implementation is fine,
but the description of __fls() was wrong. Fix that.

Reported-by: "Ricardo M. Correia" <Ricardo.M.Correia@Sun.COM>
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alexander van Heukelum 2008-07-05 19:53:46 +02:00 committed by Ingo Molnar
parent fbdb7da91b
commit 8450e85399
1 changed files with 1 additions and 1 deletions
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2
include/asm-x86/bitops.h
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@ -356,7 +356,7 @@ static inline unsigned long ffz(unsigned long word)
* __fls: find last set bit in word
* @word: The word to search
*
* Undefined if no zero exists, so code should check against ~0UL first.
* Undefined if no set bit exists, so code should check against 0 first.
*/
static inline unsigned long __fls(unsigned long word)
{