Re: [PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-06-11 Thread Aneesh Kumar K.V
Scott Wood writes: > On 06/11/2013 03:53:43 PM, Scott Wood wrote: >> On 06/08/2013 11:57:48 AM, Aneesh Kumar K.V wrote: >>> With the config shared I am not finding anything wrong, but I can't >>> test >>> these configs. Also can you confirm what you bisect this to >>> >>> e2b3d202d1dba8f3546ed

Re: [PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-06-11 Thread Scott Wood
On 06/11/2013 03:53:43 PM, Scott Wood wrote: On 06/08/2013 11:57:48 AM, Aneesh Kumar K.V wrote: With the config shared I am not finding anything wrong, but I can't test these configs. Also can you confirm what you bisect this to e2b3d202d1dba8f3546ed28224ce485bc50010be powerpc: Switch 16GB an

Re: [PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-06-11 Thread Scott Wood
On 06/08/2013 11:57:48 AM, Aneesh Kumar K.V wrote: With the config shared I am not finding anything wrong, but I can't test these configs. Also can you confirm what you bisect this to e2b3d202d1dba8f3546ed28224ce485bc50010be powerpc: Switch 16GB and 16MB explicit hugepages to a different page

Re: [PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-06-08 Thread Aneesh Kumar K.V
Scott Wood writes: > On 06/06/2013 10:55:22 PM, Aneesh Kumar K.V wrote: >> Scott Wood writes: >> >> > On 04/28/2013 02:37:30 PM, Aneesh Kumar K.V wrote: >> >> From: "Aneesh Kumar K.V" >> >> >> >> We will be switching PMD_SHIFT to 24 bits to facilitate THP . >> >> >> >> Signed-off-by: Ane

Re: [PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-06-06 Thread Aneesh Kumar K.V
Scott Wood writes: > On 04/28/2013 02:37:30 PM, Aneesh Kumar K.V wrote: >> From: "Aneesh Kumar K.V" >> >> We will be switching PMD_SHIFT to 24 bits to facilitate THP >> impmenetation. >> With PMD_SHIFT set to 24, we now have 16MB huge pages allocated at >> PGD level. >> That means with 32 b

Re: [PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-06-06 Thread Scott Wood
On 04/28/2013 02:37:30 PM, Aneesh Kumar K.V wrote: From: "Aneesh Kumar K.V" We will be switching PMD_SHIFT to 24 bits to facilitate THP impmenetation. With PMD_SHIFT set to 24, we now have 16MB huge pages allocated at PGD level. That means with 32 bit process we cannot allocate normal page

Re: [PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-04-29 Thread David Gibson
On Mon, Apr 29, 2013 at 01:07:30AM +0530, Aneesh Kumar K.V wrote: > From: "Aneesh Kumar K.V" > > We will be switching PMD_SHIFT to 24 bits to facilitate THP impmenetation. > With PMD_SHIFT set to 24, we now have 16MB huge pages allocated at PGD level. > That means with 32 bit process we cannot al

[PATCH -V7 09/18] powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format

2013-04-28 Thread Aneesh Kumar K.V
From: "Aneesh Kumar K.V" We will be switching PMD_SHIFT to 24 bits to facilitate THP impmenetation. With PMD_SHIFT set to 24, we now have 16MB huge pages allocated at PGD level. That means with 32 bit process we cannot allocate normal pages at all, because we cover the entire address space with o