On Fri, Jul 3, 2015 at 5:25 PM, Sawada Masahiko <sawada.mshk@gmail.com> wrote:
> On Fri, Jul 3, 2015 at 1:23 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
>> On 2 July 2015 at 16:30, Sawada Masahiko <sawada.mshk@gmail.com> wrote:
>>
>>>
>>> Also, the flags of each heap page header might be set PD_ALL_FROZEN,
>>> as well as all-visible
>>
>>
>> Is it possible to have VM bits set to frozen but not visible?
>>
>> The description makes those two states sound independent of each other.
>>
>> Are they? Or not? Do we test for an impossible state?
>>
>
> It's impossible to have VM bits set to frozen but not visible.
> These bit are controlled independently. But eventually, when
> all-frozen bit is set, all-visible is also set.
Attached latest version including some bug fix.
Please review it.
Regards,
--
Sawada Masahiko