From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Mon, 30 Jul 2012 21:40:57 +0000 (-0700)
Subject: qnx4fs: use memweight()
X-Git-Tag: v3.6-rc1~41^2~72
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b58f6d4aaef070bf6e0744713b6d2b6fc1b3578;p=pandora-kernel.git

qnx4fs: use memweight()

Use memweight() to count the total number of bits clear in memory area.

Note that this memweight() call can't be replaced with a single
bitmap_weight() call, although the pointer to the memory area is aligned
to long-word boundary.  Because the size of the memory area may not be a
multiple of BITS_PER_LONG, then it returns wrong value on big-endian
architecture.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Anders Larsen <al@alarsen.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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