Re: [PATCH] stub MADV_FREE implementation

Andrew Morton
2007-05-08T23:06:20Z

On Mon, 07 May 2007 23:51:47 -0400
Rik van Riel <riel@redhat.com> wrote:

> Until we have better performance numbers on the lazy reclaim path,
> we can just alias MADV_FREE to MADV_DONTNEED with this trivial
> patch.
>
> This way glibc can go ahead with the optimization on their side
> and we can figure out the kernel side later.
>
> Signed-off-by: Rik van Riel <riel@redhat.com>

Could someone please explain what is going on here?

And has Ulrich indicated that glibc would indeed go out ahead of
the kernel in this fashion?