From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: root@chaos.analogic.com
Cc: John Levon <moz@compsoc.man.ac.uk>,
Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: kmalloc() allocation.
Date: Mon, 30 Oct 2000 11:49:32 -0500 [thread overview]
Message-ID: <39FDA69C.92B090A6@mandrakesoft.com> (raw)
In-Reply-To: <Pine.LNX.3.95.1001030111027.1186A-100000@chaos.analogic.com>
"Richard B. Johnson" wrote:
> Now, I could set up a linked-list of buffers and use vmalloc()
> if the buffers were allocated from non-paged RAM. I don't think
> they are. These buffers must be present during an interrupt.
Non-paged RAM? I'm not sure what you mean by that.
Both kmalloc and vmalloc allocate pages, but neither will allocate pages
that the system will swap out (page out). [vk]malloc pages are always
around during an interrupt.
Jeff
--
Jeff Garzik | "Mind if I drive?" -Sam
Building 1024 | "Not if you don't mind me clawing at the
MandrakeSoft | dash and shrieking like a cheerleader."
| -Max
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next prev parent reply other threads:[~2000-10-30 16:51 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-10-30 15:57 kmalloc() allocation Richard B. Johnson
2000-10-30 16:06 ` Tigran Aivazian
2000-10-30 16:28 ` Richard B. Johnson
2000-10-30 16:38 ` Tigran Aivazian
2000-10-30 17:57 ` Richard B. Johnson
2000-10-30 16:06 ` John Levon
2000-10-30 16:27 ` Richard B. Johnson
2000-10-30 16:49 ` Jeff Garzik [this message]
2000-10-30 16:54 ` Tigran Aivazian
2000-10-30 17:08 ` Jeff Garzik
2000-10-30 18:08 ` Richard B. Johnson
2000-10-30 18:06 ` Richard B. Johnson
2000-10-30 18:10 ` Jeff Garzik
2000-10-30 16:40 ` Rik van Riel
2000-10-31 7:03 ` Mike Galbraith
2000-10-31 10:48 ` Ingo Oeser
2000-10-31 10:48 ` Ingo Oeser
2000-10-31 13:35 ` Rik van Riel
2000-10-31 13:35 ` Rik van Riel
2000-10-31 13:59 ` Richard B. Johnson
2000-10-31 13:59 ` Richard B. Johnson
2000-10-31 15:57 ` Pauline Middelink
2000-10-31 15:17 ` Ingo Oeser
2000-10-31 15:17 ` Ingo Oeser
2000-10-31 16:11 ` Rik van Riel
2000-10-31 16:11 ` Rik van Riel
2000-10-31 18:22 ` Ingo Oeser
2000-10-31 18:22 ` Ingo Oeser
2000-10-31 14:43 ` afei
2000-10-31 14:43 ` afei
2000-10-30 18:22 ` Alan Cox
2000-10-30 18:37 ` Richard B. Johnson
2000-10-31 5:28 ` H. Peter Anvin
2000-10-31 6:11 ` Brian Gerst
2000-10-31 8:44 ` Andi Kleen
2000-10-31 12:58 ` Brian Gerst
2000-10-31 14:48 ` kernel
2000-10-31 15:01 ` Alan Cox
2000-10-31 15:57 ` kernel
2000-10-31 8:49 ` Tigran Aivazian
2000-10-31 8:54 ` Andi Kleen
2000-10-31 9:07 ` Tigran Aivazian
2000-10-31 9:25 ` Andi Kleen
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