Re: [PATCH 1/6] powerpc: Free up four 64K PTE bits in 4K backed HPTE pages

2017-07-27 Thread Ram Pai
On Thu, Jul 27, 2017 at 07:29:32AM +0530, Aneesh Kumar K.V wrote: > > > On 07/26/2017 09:36 PM, Ram Pai wrote: > >On Wed, Jul 26, 2017 at 04:05:48PM +0530, Aneesh Kumar K.V wrote: > >>Ram Pai writes: > >> > > >>>diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h >

Re: [PATCH 1/6] powerpc: Free up four 64K PTE bits in 4K backed HPTE pages

2017-07-26 Thread Aneesh Kumar K.V
On 07/26/2017 09:36 PM, Ram Pai wrote: On Wed, Jul 26, 2017 at 04:05:48PM +0530, Aneesh Kumar K.V wrote: Ram Pai writes: diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index 9732837..62e580c 100644 ---

Re: [PATCH 1/6] powerpc: Free up four 64K PTE bits in 4K backed HPTE pages

2017-07-26 Thread Ram Pai
On Wed, Jul 26, 2017 at 04:05:48PM +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

Re: [PATCH 1/6] powerpc: Free up four 64K PTE bits in 4K backed HPTE pages

2017-07-26 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 bit numbers are big-endian as > defined in

[PATCH 1/6] powerpc: Free up four 64K PTE bits in 4K backed HPTE pages

2017-07-21 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 bit numbers are big-endian as defined in the ISA3.0 The patch does the following change to