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[PATCH] md: fix calculation for size of filemap_attr array in md/bitmap
authorNeil Brown <neilb@suse.de>
Thu, 12 Apr 2007 06:28:44 +0000 (23:28 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Thu, 12 Apr 2007 22:31:42 +0000 (15:31 -0700)
commit505fa2c4a2f125a70951926dfb22b9cf273994f1
treeaa96fd86c3a26bcd062c1e19e527faf684848516tree | snapshot (tar.gz zip)
parentb6550777a32f7204f87475beb4f40d054fb8d4b4commit | diff
[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>
drivers/md/bitmap.c diff | blob | blame | history