On Wed, Dec 07, 2011 at 11:05:58PM +0100, Arnaud Patard wrote:
> I may be wrong but it seems that arm_dma_zone_size is used before being
> set. It would be interesting if someone can boot test a nslu2 kernel with
> appended patch.
It does look like that's the case - arm_dma_zone_size is used in
arm_bootmem_free(), which is called from bootmem_init() and in turn
paging_init().
So, arm_dma_zone_size needs to be set before paging_init() is called.
I'd actually suggest moving it before:
if (mdesc->restart_mode)
reboot_setup(&mdesc->restart_mode);
so that it's set real early, to avoid any future problems with this.
The earlier these kinds of things are set, the less likely this kind
of bug will happen.
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