tools/slabratetop: call to undeclared function ‘slab_address‘

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https://github.com/iovisor/bcc/issues/4438

Sadly, kernel maintainer tends to not merge the above commit mm: Functions used internally should not be put into slub_def.h, that is to say, slabratetop.py could not include <sl*b_def.h> anymore since kernel commit 40f3bf0cb04c(“mm: Convert struct page to struct slab in functions used by other subsystems”). may we should solve the kmem_cache structure with BTF way.

https://lore.kernel.org/lkml/tencent_6238B3302FB554EC5EEF475F11470C048509@qq.com/

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