ntfs: use bitmap_weight
Use bitmap_weight() instead of doing hweight32() for each u32 element in the page. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Anton Altaparmakov <aia21@cantab.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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