[PATCH 1/3] powerpc: mm: make _PAGE_NUMA take effect

[Liu ping fan]

On Wed, Dec 11, 2013 at 5:50 PM, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> On Wed, 2013-12-11 at 16:50 +0800, Liu ping fan wrote:
>> > why ? , All the hash routines do check for _PAGE_PRESENT via access
>> > variable.
>> >
>> Going through __hash_page_4K(4k on 4k HW), I do not find such check.
>> Am I wrong? Or I will send out a patch to fix that.
>
> We pass a bitmask of flags to check which are tested by doing an "andc"
> of the PTE on that mask and checking if anything is left...
>
Oh, see it, thank you very much

Regards,
Pingfan