Re: [PATCH 2/2] remoteproc: fix memory leak of remoteproc ida cache layers

From: Ohad Ben-Cohen
Date: Thu Nov 26 2015 - 04:38:36 EST


Hi Suman,

On Thu, Sep 17, 2015 at 3:29 AM, Suman Anna <s-anna@xxxxxx> wrote:
> The remoteproc core uses a static ida named rproc_dev_index for
> assigning an automatic index number to a registered remoteproc.
> The ida core may allocate some internal idr cache layers and ida
> bitmap upon any ida allocation, and all these layers are truely
> freed only upon the ida destruction. The rproc_dev_index ida is
> not destroyed at present, leading to a memory leak when using the
> remoteproc core as a module and atleast one rproc device is
> registered and unregistered.
>
> Fix this by invoking ida_destroy() in the remoteproc core module
> exit.

I saw there was some discussion about this between Michael, James and
Tejun whether this should be fixed in the IDA core or not.

Has it been resolved?

Thanks,
Ohad.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/