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Commit a75613ec authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
Browse files

ocfs2: use memweight() 



Use memweight to count the total number of bits set in memory area.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9a601396

fs/ocfs2/localalloc.c

+2 −6
Original line number Diff line number Diff line
@@ -784,14 +784,10 @@ bail: 


static u32 ocfs2_local_alloc_count_bits(struct ocfs2_dinode *alloc)

{

	int i;

	u8 *buffer;

	u32 count = 0;

	u32 count;

	struct ocfs2_local_alloc *la = OCFS2_LOCAL_ALLOC(alloc);



	buffer = la->la_bitmap;

	for (i = 0; i < le16_to_cpu(la->la_size); i++)

		count += hweight8(buffer[i]);

	count = memweight(la->la_bitmap, le16_to_cpu(la->la_size));



	trace_ocfs2_local_alloc_count_bits(count);

	return count;