The patch titled hpfs: use bitmap_weight() has been added to the -mm tree. Its filename is hpfs-use-bitmap_weight.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: hpfs: use bitmap_weight() From: Akinobu Mita <akinobu.mita@xxxxxxxxx> Use bitmap_weight instead of doing hweight32 for each 32bit in bitmap. Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx> Cc: Mikulas Patocka <mikulas@xxxxxxxxxxxxxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/hpfs/super.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff -puN fs/hpfs/super.c~hpfs-use-bitmap_weight fs/hpfs/super.c --- a/fs/hpfs/super.c~hpfs-use-bitmap_weight +++ a/fs/hpfs/super.c @@ -14,6 +14,7 @@ #include <linux/magic.h> #include <linux/sched.h> #include <linux/smp_lock.h> +#include <linux/bitmap.h> /* Mark the filesystem dirty, so that chkdsk checks it when os/2 booted */ @@ -115,12 +116,13 @@ static void hpfs_put_super(struct super_ unsigned hpfs_count_one_bitmap(struct super_block *s, secno secno) { struct quad_buffer_head qbh; - unsigned *bits; - unsigned i, count; - if (!(bits = hpfs_map_4sectors(s, secno, &qbh, 4))) return 0; - count = 0; - for (i = 0; i < 2048 / sizeof(unsigned); i++) - count += hweight32(bits[i]); + unsigned long *bits; + unsigned count; + + bits = hpfs_map_4sectors(s, secno, &qbh, 4); + if (!bits) + return 0; + count = bitmap_weight(bits, 2048 * BITS_PER_BYTE); hpfs_brelse4(&qbh); return count; } _ Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are linux-next.patch hpfs-use-hweight32.patch hpfs-use-bitmap_weight.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 -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html