Messages in this thread | | | Date | Tue, 30 Nov 2004 11:46:33 -0800 | From | Andrew Morton <> | Subject | Re: 2.6.10-rc2-mm4 |
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Alan Cox <alan@lxorguk.ukuu.org.uk> wrote: > > On Maw, 2004-11-30 at 18:32, Andrew Morton wrote: > > "This helps mainly graphic drivers who really need a lot of memory below > > the 4GB area. Previous they could only use IOMMU+16MB GFP_DMA, which was > > not enough memory." > > > > > Is there code using the zone GFP mask yet ?? > > > > Nope. > > You mean its a private hook for a proprietary graphics driver, which > because it is that can't use it anyway ?
I wasn't aware that this is what I meant. I dunno what graphics drivers Andi needs it for, and he is away for a couple of weeks. It's an experimental patch, in there for testing.
> That sounds dubious to me as policy has always been to avoid such hooks.
I don't know why you're assuming that it is "such a hook". Sticking "gfp_dma32" into google indicates that the applications are quite different.
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