iommu sg: kill __clear_bit_string and find_next_zero_string

This kills unused __clear_bit_string and find_next_zero_string (they
were used by only gart and calgary IOMMUs).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Muli Ben-Yehuda <mulix@mulix.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 16 deletions

diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h
index 48adbf56ca60..aaf15194d536 100644
--- a/include/asm-x86/bitops_64.h
+++ b/include/asm-x86/bitops_64.h
@@ -37,12 +37,6 @@ static inline long __scanbit(unsigned long val, unsigned long max)
   ((off)+(__scanbit(~(((*(unsigned long *)addr)) >> (off)),(size)-(off)))) : \
 	find_next_zero_bit(addr,size,off)))
 
-/* 
- * Find string of zero bits in a bitmap. -1 when not found.
- */ 
-extern unsigned long 
-find_next_zero_string(unsigned long *bitmap, long start, long nbits, int len);
-
 static inline void set_bit_string(unsigned long *bitmap, unsigned long i, 
 				  int len) 
 { 
@@ -53,16 +47,6 @@ static inline void set_bit_string(unsigned long *bitmap, unsigned long i,
 	}
 } 
 
-static inline void __clear_bit_string(unsigned long *bitmap, unsigned long i, 
-				    int len) 
-{ 
-	unsigned long end = i + len; 
-	while (i < end) {
-		__clear_bit(i, bitmap); 
-		i++;
-	}
-} 
-
 /**
  * ffz - find first zero in word.
  * @word: The word to search