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Commit 868d6481 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
Browse files

qnx4: use hweight8 



Use hweight8 instead of counting for each bit

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Acked-by: default avatarAnders Larsen <al@alarsen.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ca120b20

fs/qnx4/bitmap.c

+1 −16
Original line number Diff line number Diff line
@@ -28,22 +28,7 @@ static void count_bits(register const char *bmPart, register int size, 
	}

	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;