linux-kernel - Re: [PATCH] MM: implement MADV_FREE lazy freeing of anonymous memory

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Message-ID: <463EB0C4.6060901@redhat.com>
Date:	Sun, 06 May 2007 21:53:24 -0700
From:	Ulrich Drepper <drepper@...hat.com>
To:	Rik van Riel <riel@...hat.com>
CC:	Nick Piggin <nickpiggin@...oo.com.au>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jakub Jelinek <jakub@...hat.com>
Subject: Re: [PATCH] MM: implement MADV_FREE lazy freeing of anonymous memory

Rik van Riel wrote:
> It's trivial to merge the MADV_FREE #defines into the kernel
> though, and aliasing MADV_FREE to MADV_DONTNEED for the time
> being is a one-liner - just an extra constant into the big
> switch statement in sys_madvise().

Until the semantics of the implementation is cut into stone by having it 
in the kernel I'll not start using it.

-- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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