From: Austin Gonyou <austin@digitalroadkill.net>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Marcelo Tosatti <marcelo@conectiva.com.br>,
Hugh Dickins <hugh@veritas.com>,
linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@transmeta.com>
Subject: Re: vm fixes for 2.4.19rc1
Date: 27 Jun 2002 22:19:14 -0500 [thread overview]
Message-ID: <1025234354.2087.10.camel@UberGeek> (raw)
In-Reply-To: <20020627201413.GD1457@inspiron.ols.wavesec.org>
For something like DB work, would this patch be *too* aggressive on
freeing memory/cache as to introduced increased latency there?
Just curious, I'm all for using *any* good VM changes.
On Thu, 2002-06-27 at 15:14, Andrea Arcangeli wrote:
> some fix for 2.4.19rc1 (btw, the lru_cache_del() in the LRU path is
> needed in 2.5 too and it's also more efficient than the
> page_cache_release, see ptrace freeing the anon pages with put_page(),
> it will not pass through page_cache_release and it will trigger the
> PageLRU check that __free_pages_ok isn't capable to handle in 2.5, I
> will make a full vm update for 2.5 [in small pieces based on post-Andrew
> split of the monolithic patch] in the next days anyways):
--
Austin Gonyou <austin@digitalroadkill.net>
next prev parent reply other threads:[~2002-06-28 3:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-27 20:14 vm fixes for 2.4.19rc1 Andrea Arcangeli
2002-06-27 20:43 ` Andrea Arcangeli
2002-06-27 22:28 ` Hugh Dickins
2002-06-28 16:01 ` Andrea Arcangeli
2002-06-28 3:19 ` Austin Gonyou [this message]
2002-06-28 8:51 ` Hugh Dickins
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