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Date:   Mon, 11 Jan 2021 11:28:25 -0800
From:   Linus Torvalds <>
To:     Viresh Kumar <>
Cc:     Alexander Viro <>,
        Vincent Guittot <>,
        Andrew Morton <>,
        Arnd Bergmann <>, Christoph Hellwig <>,
        linux-fsdevel <>,
        Linux Kernel Mailing List <>
Subject: Re: [PATCH V1 resend] dcookies: Make dcookies depend on CONFIG_OPROFILE

On Sun, Jan 10, 2021 at 10:02 PM Viresh Kumar <> wrote:
> From: Arnd Bergmann <>
> The dcookies stuff is used only with OPROFILE and there is no need to
> build it if CONFIG_OPROFILE isn't enabled. Build it depending on

Umm. I think we should remove CONFIG_OPROFILE entirely, and then
dcookies as part of it.

We discussed removing CONFIG_OPROFILE for 5.9 (I htink) already - the
oprofile user land tools don't use the kernel OPROFILE support any
more, and haven't in a long time. User land has been converted to the
perf interfaces.


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