From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Richard Yao <shiningarcanine@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Does the kernel page the CFS's red-black tree nodes?
Date: Wed, 16 Jun 2010 12:15:17 +0100 [thread overview]
Message-ID: <20100616121517.1e66f06f@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <AANLkTilOK580U03orIO6jcMvzrHeNsykLSMkdlw0hZLI@mail.gmail.com>
The kernel doesn't page its own data structures (there a couple of
exceptional cases). That avoids the entire nightmare of trying to have
partly paged kernels, the resulting priority inversions and all the other
horrors you can get plus the big overheads from it.
Alan
next prev parent reply other threads:[~2010-06-16 11:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTilfw_rXQ4P1jRnrOtun2c9kAq6zNEQHxTF124_x@mail.gmail.com>
2010-06-16 0:55 ` Richard Yao
2010-06-16 11:15 ` Alan Cox [this message]
2010-06-17 8:04 ` Andi Kleen
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