tree aa96fd86c3a26bcd062c1e19e527faf684848516
parent b6550777a32f7204f87475beb4f40d054fb8d4b4
author Neil Brown <neilb@suse.de> 1176359324 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1176417102 -0700

[PATCH] md: fix calculation for size of filemap_attr array in md/bitmap

If 'num_pages' were ever 1 more than a multiple of 8 (32bit platforms)
or of 16 (64 bit platforms).  filemap_attr would be allocated one
'unsigned long' shorter than required.  We need a round-up in there.

Signed-off-by: Neil Brown <neilb@suse.de>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>