linux-kernel - Re: [PATCH 1/3] selftests/zram: Remove obsolete max_comp

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Message-ID: <1146337d-718e-a369-1012-224f06bc9c2f@linuxfoundation.org>
Date:   Tue, 25 Jan 2022 13:33:41 -0700
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Yang Xu <xuyang2018.jy@...itsu.com>,
        linux-kselftest@...r.kernel.org, shuah@...nel.org
Cc:     linux-kernel@...r.kernel.org, naresh.kamboju@...aro.org,
        aleksei.kodanev@...l-sw.com, Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 1/3] selftests/zram: Remove obsolete max_comp_streams
 interface

On 12/15/21 2:56 AM, Yang Xu wrote:
> Since kernel commit 43209ea2d17a ("zram: remove max_comp_streams internals"), zram has
> switched to per-cpu streams. Even kernel still keep this interface for some reasons, but
> writing to max_comp_stream doesn't take any effect. So remove it.

I get that max_comp_stream doesn't do anything since this referenced
commit. Don't we need this test on older kernels since older kernels
still support max_comp_stream?

thanks,
-- Shuah