On Mon, Mar 5, 2012 at 2:34 PM, Torvald Riegel <trie...@redhat.com> wrote:
> This patch skips execution of memtransfer/memset if there actually isn't
> anything to do.  Calls to memcpy/memmove/memset with size==0 should be
> rare I'd suppose but prior code would still treat this no-op like some
> store (ml_wt was particularly bad: it would to acquire _all_ locks in
> such a case due to calculating a correct exclusive upper bound anymore).
> OK for trunk?
> 4.7 too?

Not before 4.7.0 please.


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