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If slabs are allocated or freed from a large set of call sites (typical for the kmalloc area) then we may create more output than fits into a single PAGE and sysfs only gives us one page. The output should be truncated. This patch fixes the checks to do the truncation properly. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>