On Mon, Sep 05, 2022 at 11:17:29PM +0000, Kuninori Morimoto wrote: > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > Current snd_soc_dai_link_event_pre_pmu() is using kzalloc() / kfree() > for "params", but it is fixed size, and not used on private data. > It is used for setup rtd at end of this function, just a local variable. > We don't need to use kzalloc() / kfree() for it. > This patch replace it as local variable. The reason we're allocating it dynamically is that it's quite large (608 bytes on arm64) and is starting to get a bit excessive for allocation on the stack, especially when you're building with some of the KASAN type stuff that increases stack usage.
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