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Zhang Yanfei authored
The three variables are calculated from nr_free_buffer_pages so change their types to unsigned long in case of overflow. Signed-off-by:
Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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