Re: [PATCH 2/2] powerpc/mm: Enable page parallel initialisation

2016-03-09 Thread Michael Ellerman
On Wed, 2016-03-09 at 13:42 -0800, Andrew Morton wrote: > On Tue, 08 Mar 2016 20:36:34 +1100 Michael Ellerman > wrote: > > > Given that, I think it would be best if Andrew merged both of these patches. > > Because this patch is pretty trivial, whereas the patch to mm/ is less so. > > > > Is that

Re: [PATCH 2/2] powerpc/mm: Enable page parallel initialisation

2016-03-09 Thread Andrew Morton
On Tue, 08 Mar 2016 20:36:34 +1100 Michael Ellerman wrote: > Given that, I think it would be best if Andrew merged both of these patches. > Because this patch is pretty trivial, whereas the patch to mm/ is less so. > > Is that OK Andrew? Yep, no probs. __

Re: [PATCH 2/2] powerpc/mm: Enable page parallel initialisation

2016-03-08 Thread Li Zhang
On Tue, Mar 8, 2016 at 5:36 PM, Michael Ellerman wrote: > Hi Li, > > On Tue, 2016-03-08 at 11:55 +0800, Li Zhang wrote: > >> From: Li Zhang >> >> Parallel initialisation has been enabled for X86, boot time is >> improved greatly. On Power8, it is improved greatly for small >> memory. Here is the

Re: [PATCH 2/2] powerpc/mm: Enable page parallel initialisation

2016-03-08 Thread Michael Ellerman
Hi Li, On Tue, 2016-03-08 at 11:55 +0800, Li Zhang wrote: > From: Li Zhang > > Parallel initialisation has been enabled for X86, boot time is > improved greatly. On Power8, it is improved greatly for small > memory. Here is the result from my test on Power8 platform: > > For 4GB memory: 57% is i

[PATCH 2/2] powerpc/mm: Enable page parallel initialisation

2016-03-07 Thread Li Zhang
From: Li Zhang Parallel initialisation has been enabled for X86, boot time is improved greatly. On Power8, it is improved greatly for small memory. Here is the result from my test on Power8 platform: For 4GB memory: 57% is improved, boot time as the following: with patch: 10s, without patch: 24.