[PATCH 13/11] arm64: Add support for 48-bit VA space with 64KB page configuration

Jungseok Lee jungseoklee85 at gmail.com
Wed Jul 23 06:49:09 PDT 2014


On Jul 23, 2014, at 12:37 AM, Catalin Marinas wrote:
> On Tue, Jul 22, 2014 at 04:13:27PM +0100, Jungseok Lee wrote:
>> On Jul 22, 2014, at 00:09 +900 Catalin Marinas wrote:
>>> This patch allows support for 3 levels of page tables with 64KB page 
>>> configuration allowing 48-bit VA space. The pgd is no longer a full 
>>> PAGE_SIZE (PTRS_PER_PGD is 64) and (swapper|idmap)_pg_dir are not fully 
>>> populated (pgd_alloc falls back to kzalloc). 
>>> 
>>> Signed-off-by: Catalin Marinas <catalin.marinas at arm.com> 
>>> --- 
>> 
>> One more step :)
> 
> The last before the upcoming merging window. I also updated the
> pgtable-4levels branch with the latest.

I've tested the latest potable-4levels branch and 64KB + 3 Levels
works fine on model.

Tested-by: Jungseok Lee <jungseoklee85 at gmail.com>

I hope that I'm not too late since this series is already in for-next/core
branch of arm64/linux.git repo. 

- Jungseok Lee



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