From: Christoph Hellwig <hch@infradead.org>
To: "Venkatesan, Ganesh" <ganesh.venkatesan@intel.com>
Cc: jgarzik@pobox.com, netdev@oss.sgi.com
Subject: Re: [PATCH 3/12 2.4] e1000 - use vmalloc for data structures not shared with h/w
Date: Thu, 29 Jul 2004 19:25:19 +0100 [thread overview]
Message-ID: <20040729192519.A6235@infradead.org> (raw)
In-Reply-To: <468F3FDA28AA87429AD807992E22D07E01F23824@orsmsx408>; from ganesh.venkatesan@intel.com on Thu, Jul 29, 2004 at 11:17:08AM -0700
On Thu, Jul 29, 2004 at 11:17:08AM -0700, Venkatesan, Ganesh wrote:
> Vmalloc space is less scarce than kmalloc space. Am I right? This patch
> trades kmalloc space for vmalloc space.
No, it's not. vmalloc needs virtual space that's rather limited (e.g. 64MB
on PAE x86) in addition to physical memory. Unless you do really big
allocations stay away from vmalloc.
next prev parent reply other threads:[~2004-07-29 18:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-29 18:17 [PATCH 3/12 2.4] e1000 - use vmalloc for data structures not shared with h/w Venkatesan, Ganesh
2004-07-29 18:25 ` Christoph Hellwig [this message]
2004-07-31 7:38 ` Herbert Xu
2004-08-04 16:48 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2004-07-29 15:29 ganesh.venkatesan
2004-07-29 17:50 ` Christoph Hellwig
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