On Tue, Aug 13, 2019 at 03:03:19PM -0500, Probir Roy wrote:

Hi,

I am testing Linux 4.19.60. I build the kernel with CONFIG_GUP_BENCHMARK. However, during gup_benchmark self-test, I am getting "ioctl: Invalid argument". Any idea what could be the problem?

Probir Hi Probir,

I am unable to reproduce your problem. I am running the gup_benchmark self test by compiling the gup_benchmark.c in the self tests directory and it works as expected. (on 4.19 kernel). How are you reproducing it? Thank you Bharath

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