# Re: ioremap and vmalloc

- From: Grant Likely \<hidden\>
- Date: 2008-09-19 16:43:44 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2008/09/9445584
- Thread: https://ratatoskr.run/linuxppc-dev/2008/09/9445574/t.md

```text
On Fri, Sep 19, 2008 at 06:34:06PM +0200, =?ISO-8859-1?Q?S=E9bastien_Chr=E9tien_ wrote:
> The first is ioremap(0x20000000,0x10000000);
> The second is ioremap(0x80000000,0x10000000);
> Is it too long

Well, you're trying to allocate two 256MB regions.  That is very large.
What kind of device are you trying to map?

g.
```