Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-22 Thread Ram Pai
On Thu, Jun 22, 2017 at 02:37:27PM +0530, Anshuman Khandual wrote: > On 06/17/2017 09:22 AM, Ram Pai wrote: > > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > > in the 4K backed hpte pages. These bits continue to be used > > for 64K backed hpte pages in this patch, but will be freed >

Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-22 Thread Anshuman Khandual
On 06/17/2017 09:22 AM, Ram Pai wrote: > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > in the 4K backed hpte pages. These bits continue to be used > for 64K backed hpte pages in this patch, but will be freed > up in the next patch. > > The patch does the following change to the 64K P

Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-21 Thread Ram Pai
On Wed, Jun 21, 2017 at 12:11:32PM +0530, Aneesh Kumar K.V wrote: > Ram Pai writes: > > > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > > in the 4K backed hpte pages. These bits continue to be used > > for 64K backed hpte pages in this patch, but will be freed > > up in the next pat

Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-20 Thread Aneesh Kumar K.V
Ram Pai writes: > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > in the 4K backed hpte pages. These bits continue to be used > for 64K backed hpte pages in this patch, but will be freed > up in the next patch. > > The patch does the following change to the 64K PTE format > > H_PAGE_B

Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-20 Thread Ram Pai
On Wed, Jun 21, 2017 at 11:05:33AM +0530, Anshuman Khandual wrote: > On 06/21/2017 04:53 AM, Ram Pai wrote: > > On Tue, Jun 20, 2017 at 03:50:25PM +0530, Anshuman Khandual wrote: > >> On 06/17/2017 09:22 AM, Ram Pai wrote: > >>> Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > >>> in the

Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-20 Thread Anshuman Khandual
On 06/21/2017 04:53 AM, Ram Pai wrote: > On Tue, Jun 20, 2017 at 03:50:25PM +0530, Anshuman Khandual wrote: >> On 06/17/2017 09:22 AM, Ram Pai wrote: >>> Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 >>> in the 4K backed hpte pages. These bits continue to be used >>> for 64K backed hpte

Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-20 Thread Ram Pai
On Tue, Jun 20, 2017 at 03:50:25PM +0530, Anshuman Khandual wrote: > On 06/17/2017 09:22 AM, Ram Pai wrote: > > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > > in the 4K backed hpte pages. These bits continue to be used > > for 64K backed hpte pages in this patch, but will be freed >

Re: [RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-20 Thread Anshuman Khandual
On 06/17/2017 09:22 AM, Ram Pai wrote: > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > in the 4K backed hpte pages. These bits continue to be used > for 64K backed hpte pages in this patch, but will be freed > up in the next patch. The counting 3, 4, 5 and 6 are in BE format I believ

[RFC v2 01/12] powerpc: Free up four 64K PTE bits in 4K backed hpte pages.

2017-06-16 Thread Ram Pai
Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 in the 4K backed hpte pages. These bits continue to be used for 64K backed hpte pages in this patch, but will be freed up in the next patch. The patch does the following change to the 64K PTE format H_PAGE_BUSY moves from bit 3 to bit 9 H_