| To: | "Gleb O. Raiko" <raiko@niisi.msk.ru> |
|---|---|
| Subject: | Re: kmalloc/pci_alloc and skbuff's |
| From: | James Simmons <jsimmons@transvirtual.com> |
| Date: | Wed, 19 Dec 2001 09:09:11 -0800 (PST) |
| Cc: | Geoffrey Espin <espin@idiom.com>, linux-mips@oss.sgi.com |
| In-reply-to: | <3C205853.EE642541@niisi.msk.ru> |
| Sender: | owner-linux-mips@oss.sgi.com |
> What's wrong with GFP_DMA ? Doesn't it solve exactly this problem ? Personally I don't like the hack but you have to ask what he needs. kmalloc grabs memory from the CPU cache. GFP_DMA insures that cache memory is continues. I think Geoffrey needs to use a specific memory address in PCI space. Tho I like Geoffrey to try using GFP_DMA. The reason I don't like the hack is that skbuff's is bus independent. Not all ethernet cards are PCI based. Please try using GFP_DMA and let us know if it worked. . --- |o_o | |:_/ | Give Micro$oft the Bird!!!! // \ \ Use Linux!!!! (| | ) /'_ _/`\ ___)=(___/ |
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