[Bug 289749] linux-compat fails because "unsupported madvise behav 25"

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 22 Sep 2025 12:06:27 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289749

Mark Johnston <markj@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |markj@FreeBSD.org

--- Comment #1 from Mark Johnston <markj@FreeBSD.org> ---
madvise behaviour 25 is MADV_COLLAPSE.  From reading the description, it causes
the kernel to try and map the specified range using superpages if possible.  I
would expect that to be safe to ignore, the problem is something else.

> I previously never observed this message

What has changed since "previously"?

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