From: Linus Torvalds <torvalds@transmeta.com>
To: Robert Love <rml@tech9.net>
Cc: Andrew Morton <akpm@zip.com.au>,
riel@conectiva.com.br, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH] low-latency zap_page_range
Date: Mon, 22 Jul 2002 11:05:10 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.44.0207221103430.2928-100000@home.transmeta.com> (raw)
In-Reply-To: <1027360686.932.33.camel@sinai>
On 22 Jul 2002, Robert Love wrote:
>
> Sure. What do you think of this?
How about adding an "cond_resched_lock()" primitive?
You can do it better as a primitive than as the written-out thing (the
spin_unlock() doesn't need to conditionally test the scheduling point
again, it can just unconditionally call schedule())
And there might be other places that want to drop a lock before scheduling
anyway.
Linus
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next prev parent reply other threads:[~2002-07-22 18:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-20 20:20 Robert Love
2002-07-22 5:14 ` Andrew Morton
2002-07-22 17:58 ` Robert Love
2002-07-22 18:05 ` Linus Torvalds [this message]
2002-07-22 18:22 ` Robert Love
2002-07-22 18:28 ` Robert Love
2002-07-22 18:40 ` Andrew Morton
2002-07-22 18:50 ` Robert Love
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