On Tue, Dec 04, 2007 at 12:06:23PM +, Duane Griffin wrote:
> On 04/12/2007, Nick Piggin <[EMAIL PROTECTED]> wrote:
> > + gfp_flags = GFP_NOIO | __GFP_ZERO;
> > +#ifndef CONFIG_BLK_DEV_XIP
> > + gfp_flags |= __GFP_HIGHMEM;
> > +#endif
> > page = alloc_page(GFP_NOIO | __GFP_HI
On 04/12/2007, Nick Piggin <[EMAIL PROTECTED]> wrote:
> + gfp_flags = GFP_NOIO | __GFP_ZERO;
> +#ifndef CONFIG_BLK_DEV_XIP
> + gfp_flags |= __GFP_HIGHMEM;
> +#endif
> page = alloc_page(GFP_NOIO | __GFP_HIGHMEM | __GFP_ZERO);
I think that should be alloc_page(gfp_flags), no?
Ch
On Tue, Dec 04, 2007 at 03:26:20AM -0800, Andrew Morton wrote:
> On Tue, 4 Dec 2007 12:21:00 +0100 Nick Piggin <[EMAIL PROTECTED]> wrote:
>
> > +*
> > +* Cannot support XIP and highmem, because our ->direct_access
> > +* routine for XIP must return memory that is always addressable.
>
On Tue, 4 Dec 2007 12:21:00 +0100 Nick Piggin <[EMAIL PROTECTED]> wrote:
> + *
> + * Cannot support XIP and highmem, because our ->direct_access
> + * routine for XIP must return memory that is always addressable.
> + * If XIP was reworked to use pfns and kmap throughout, this
On Tue, Dec 04, 2007 at 11:10:09AM +0100, Nick Piggin wrote:
> >
> > This is just an idea, I dont know if it is worth the trouble, but have you
> > though about implementing direct_access for brd? That would allow
> > execute-in-place (xip) on brd eliminating the extra copy.
>
> Actually that's
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