Re: [PATCH] padata: Convert from atomic_t to refcount_t on parallel_data->refcnt
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From: Daniel Jordan <daniel.m.jordan@oracle.com>
Date: 2021-07-19 22:23:48
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On Mon, Jul 19, 2021 at 04:37:33PM +0800, Xiyu Yang wrote:
refcount_t type and corresponding API can protect refcounters from accidental underflow and overflow and further use-after-free situations. Signed-off-by: Xiyu Yang <redacted> Signed-off-by: Xin Tan <redacted>
This patch run on a big server didn't turn up anything, but it's probably useful to have the extra checking. Acked-by: Daniel Jordan <daniel.m.jordan@oracle.com>