diff options
author | Akinobu Mita <mita@miraclelinux.com> | 2006-03-26 01:39:25 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-26 08:57:12 -0800 |
commit | 2875aef8bd0e42367a66a78ef7abe10f3bba27b5 (patch) | |
tree | 44f81fa0e5c3f5bcf90eb1d6326c1eff9915dfbd /arch/ia64/lib/bitop.c | |
parent | 1cc2b9943b7b3a8d526aa8be5450d3ec083c3de4 (diff) | |
download | blackbird-op-linux-2875aef8bd0e42367a66a78ef7abe10f3bba27b5.tar.gz blackbird-op-linux-2875aef8bd0e42367a66a78ef7abe10f3bba27b5.zip |
[PATCH] bitops: ia64: use generic bitops
- remove generic_fls64()
- remove find_{next,first}{,_zero}_bit()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()
- remove sched_find_first_bit()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/ia64/lib/bitop.c')
-rw-r--r-- | arch/ia64/lib/bitop.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/arch/ia64/lib/bitop.c b/arch/ia64/lib/bitop.c deleted file mode 100644 index 82e299c8464e..000000000000 --- a/arch/ia64/lib/bitop.c +++ /dev/null @@ -1,88 +0,0 @@ -#include <linux/compiler.h> -#include <linux/types.h> -#include <asm/intrinsics.h> -#include <linux/module.h> -#include <linux/bitops.h> - -/* - * Find next zero bit in a bitmap reasonably efficiently.. - */ - -int __find_next_zero_bit (const void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 6); - unsigned long result = offset & ~63UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 63UL; - if (offset) { - tmp = *(p++); - tmp |= ~0UL >> (64-offset); - if (size < 64) - goto found_first; - if (~tmp) - goto found_middle; - size -= 64; - result += 64; - } - while (size & ~63UL) { - if (~(tmp = *(p++))) - goto found_middle; - result += 64; - size -= 64; - } - if (!size) - return result; - tmp = *p; -found_first: - tmp |= ~0UL << size; - if (tmp == ~0UL) /* any bits zero? */ - return result + size; /* nope */ -found_middle: - return result + ffz(tmp); -} -EXPORT_SYMBOL(__find_next_zero_bit); - -/* - * Find next bit in a bitmap reasonably efficiently.. - */ -int __find_next_bit(const void *addr, unsigned long size, unsigned long offset) -{ - unsigned long *p = ((unsigned long *) addr) + (offset >> 6); - unsigned long result = offset & ~63UL; - unsigned long tmp; - - if (offset >= size) - return size; - size -= result; - offset &= 63UL; - if (offset) { - tmp = *(p++); - tmp &= ~0UL << offset; - if (size < 64) - goto found_first; - if (tmp) - goto found_middle; - size -= 64; - result += 64; - } - while (size & ~63UL) { - if ((tmp = *(p++))) - goto found_middle; - result += 64; - size -= 64; - } - if (!size) - return result; - tmp = *p; - found_first: - tmp &= ~0UL >> (64-size); - if (tmp == 0UL) /* Are any bits set? */ - return result + size; /* Nope. */ - found_middle: - return result + __ffs(tmp); -} -EXPORT_SYMBOL(__find_next_bit); |