mm/damon/sysfs-schemes: use kmalloc_array() and size_add()
It's safer to use kmalloc_array() and size_add() because it can prevent possible overflow problem. Link: https://lkml.kernel.org/r/20250421062423.740605-1-suhui@nfschina.com Signed-off-by:Su Hui <suhui@nfschina.com> Reviewed-by:
SeongJae Park <sj@kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org>
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