[Bug 284400] devel/valgrind: mmap() with MAP_ALIGNED() doesn't align

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 27 Jan 2025 21:14:31 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=284400

--- Comment #6 from Stephen Hurd <shurd@FreeBSD.org> ---
Looking at the Valgrind code, it looks like it handles the Solaris MAP_ALIGN
properly, so if address is zero and MAP_ALIGNED() is set, it could translate it
into an MAlign request for FreeBSD (and presumably NetBSD).

I'm not familiar with how the VKI_* macros are generated, so I'm not really up
to trying my had at this until the weekend when I have more time to play.

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