The patch titled
qnx4: use hweight8
has been added to the -mm tree. Its filename is
qnx4-use-hweight8.patch
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: qnx4: use hweight8
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Use hweight8 instead of counting for each bit
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Acked-by: Anders Larsen <al@xxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/qnx4/bitmap.c | 17 +----------------
1 file changed, 1 insertion(+), 16 deletions(-)
diff -puN fs/qnx4/bitmap.c~qnx4-use-hweight8 fs/qnx4/bitmap.c
--- a/fs/qnx4/bitmap.c~qnx4-use-hweight8
+++ a/fs/qnx4/bitmap.c
@@ -28,22 +28,7 @@ static void count_bits(register const ch
}
do {
b = *bmPart++;
- if ((b & 1) == 0)
- tot++;
- if ((b & 2) == 0)
- tot++;
- if ((b & 4) == 0)
- tot++;
- if ((b & 8) == 0)
- tot++;
- if ((b & 16) == 0)
- tot++;
- if ((b & 32) == 0)
- tot++;
- if ((b & 64) == 0)
- tot++;
- if ((b & 128) == 0)
- tot++;
+ tot += 8 - hweight8(b);
size--;
} while (size != 0);
*tf = tot;
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
linux-next.patch
qnx4-use-hweight8.patch
bitmap-introduce-bitmap_set-bitmap_clear-bitmap_find_next_zero_area.patch
iommu-helper-use-bitmap-library.patch
isp1362-hcd-use-bitmap_find_next_zero_area.patch
mlx4-use-bitmap_find_next_zero_area.patch
sparc-use-bitmap_find_next_zero_area.patch
ia64-use-bitmap_find_next_zero_area.patch
genalloc-use-bitmap_find_next_zero_area.patch
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