On Tue, Apr 19, 2011 at 4:33 PM, Larry Bassel <lbassel@xxxxxxxxxxxxxx> wrote: > On 25 Mar 11 20:27, Russell King - ARM Linux wrote: >> On Fri, Mar 25, 2011 at 10:39:28AM -0700, Larry Bassel wrote: >> > OK, please ignore my previous mail, I see that .fixup can be >> > used to adjust tags. It appears to me, however, that using a >> > .reserve function calling memblock_reserve will be an >> > easier way of doing what I need. >> >> Absolutely. > > Hopefully I'm just missing something obvious, but > when I call memblock_reserve (in .38) to reserve a block > of memory away from the general kernel memory pool, > I find that an ioremap of memory within the reserved block > still fails because pte_valid() is apparently true. > > Is this intended behavior? If so, what would the > correct way of separating memory from the system be > so that there is no longer a 1-to-1 1M mapping for > this memory and ioremap (creating the *only* mapping > for this memory) is allowed? You need to call memblock_remove, not memblock_reserve. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
