Re: [PATCH v2 2/2] powerpc/mm: Change the swap encoding in pte.

2015-06-17 Thread Aneesh Kumar K.V
Scott Wood writes: > On Wed, 2015-06-17 at 19:45 +1000, Michael Ellerman wrote: >> On Wed, 2015-06-17 at 08:21 +0530, Aneesh Kumar K.V wrote: >> > "Aneesh Kumar K.V" writes: >> > >> > >> > Hi Scott, >> > >> > > Current swap encoding in pte can't support large pfns >> > > above 4TB. Change the

Re: [PATCH v2 2/2] powerpc/mm: Change the swap encoding in pte.

2015-06-17 Thread Michael Ellerman
On Wed, 2015-06-17 at 16:14 -0500, Scott Wood wrote: > On Wed, 2015-06-17 at 19:45 +1000, Michael Ellerman wrote: > > On Wed, 2015-06-17 at 08:21 +0530, Aneesh Kumar K.V wrote: > > > "Aneesh Kumar K.V" writes: > > > > > > > > > Hi Scott, > > > > > > > Current swap encoding in pte can't support

Re: [PATCH v2 2/2] powerpc/mm: Change the swap encoding in pte.

2015-06-17 Thread Scott Wood
On Wed, 2015-06-17 at 19:45 +1000, Michael Ellerman wrote: > On Wed, 2015-06-17 at 08:21 +0530, Aneesh Kumar K.V wrote: > > "Aneesh Kumar K.V" writes: > > > > > > Hi Scott, > > > > > Current swap encoding in pte can't support large pfns > > > above 4TB. Change the swap encoding such that we put

Re: [PATCH v2 2/2] powerpc/mm: Change the swap encoding in pte.

2015-06-17 Thread Michael Ellerman
On Wed, 2015-06-17 at 08:21 +0530, Aneesh Kumar K.V wrote: > "Aneesh Kumar K.V" writes: > > > Hi Scott, > > > Current swap encoding in pte can't support large pfns > > above 4TB. Change the swap encoding such that we put > > the swap type in the PTE bits. Also add build checks > > to make sure

Re: [PATCH v2 2/2] powerpc/mm: Change the swap encoding in pte.

2015-06-16 Thread Aneesh Kumar K.V
"Aneesh Kumar K.V" writes: Hi Scott, > Current swap encoding in pte can't support large pfns > above 4TB. Change the swap encoding such that we put > the swap type in the PTE bits. Also add build checks > to make sure we don't overlap with HPTEFLAGS. > Can you please review this w.r.t 64bit bo