[PATCH 2/3] kernel: better document the use_mm/unuse_mm API contract

[Greg KH]

On Thu, Apr 16, 2020 at 07:31:57AM +0200, Christoph Hellwig wrote:
> Switch the function documentation to kerneldoc comments, and add
> WARN_ON_ONCE asserts that the calling thread is a kernel thread and
> does not have ->mm set (or has ->mm set in the case of unuse_mm).
> 
> Also give the functions a kthread_ prefix to better document the
> use case.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Acked-by: Felix Kuehling <Felix.Kuehling at amd.com>

Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org> [usb]