Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Gregory Fong
On Fri, Feb 27, 2015 at 5:18 PM, Andrew Morton wrote: > On Fri, 27 Feb 2015 17:07:28 -0800 Danesh Petigara > wrote: > >> On 2/27/2015 3:54 PM, Andrew Morton wrote: >> > On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara >> > wrote: >> > >> >> On 2/27/2015 1:24 PM, Andrew Morton wrote: >> >>>

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Andrew Morton
On Fri, 27 Feb 2015 17:07:28 -0800 Danesh Petigara wrote: > On 2/27/2015 3:54 PM, Andrew Morton wrote: > > On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara > > wrote: > > > >> On 2/27/2015 1:24 PM, Andrew Morton wrote: > >>> On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara > >>> wrote:

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Danesh Petigara
On 2/27/2015 3:54 PM, Andrew Morton wrote: > On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara > wrote: > >> On 2/27/2015 1:24 PM, Andrew Morton wrote: >>> On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara >>> wrote: >>> The CMA aligned offset calculation is incorrect for non-zero

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Andrew Morton
On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara wrote: > On 2/27/2015 1:24 PM, Andrew Morton wrote: > > On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara > > wrote: > > > >> The CMA aligned offset calculation is incorrect for > >> non-zero order_per_bit values. > >> > >> For example, if

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Danesh Petigara
On 2/27/2015 1:24 PM, Andrew Morton wrote: > On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara > wrote: > >> The CMA aligned offset calculation is incorrect for >> non-zero order_per_bit values. >> >> For example, if cma->order_per_bit=1, cma->base_pfn= >> 0x2f80 and align_order=12, the

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Andrew Morton
On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara wrote: > The CMA aligned offset calculation is incorrect for > non-zero order_per_bit values. > > For example, if cma->order_per_bit=1, cma->base_pfn= > 0x2f80 and align_order=12, the function returns > a value of 0x17c00 instead of 0x400.

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Gregory Fong
On Fri, Feb 27, 2015 at 5:18 PM, Andrew Morton a...@linux-foundation.org wrote: On Fri, 27 Feb 2015 17:07:28 -0800 Danesh Petigara dpetig...@broadcom.com wrote: On 2/27/2015 3:54 PM, Andrew Morton wrote: On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara dpetig...@broadcom.com wrote:

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Andrew Morton
On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara dpetig...@broadcom.com wrote: The CMA aligned offset calculation is incorrect for non-zero order_per_bit values. For example, if cma-order_per_bit=1, cma-base_pfn= 0x2f80 and align_order=12, the function returns a value of 0x17c00

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Danesh Petigara
On 2/27/2015 1:24 PM, Andrew Morton wrote: On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara dpetig...@broadcom.com wrote: The CMA aligned offset calculation is incorrect for non-zero order_per_bit values. For example, if cma-order_per_bit=1, cma-base_pfn= 0x2f80 and align_order=12,

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Andrew Morton
On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara dpetig...@broadcom.com wrote: On 2/27/2015 1:24 PM, Andrew Morton wrote: On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara dpetig...@broadcom.com wrote: The CMA aligned offset calculation is incorrect for non-zero order_per_bit

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Danesh Petigara
On 2/27/2015 3:54 PM, Andrew Morton wrote: On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara dpetig...@broadcom.com wrote: On 2/27/2015 1:24 PM, Andrew Morton wrote: On Tue, 24 Feb 2015 15:39:45 -0800 Danesh Petigara dpetig...@broadcom.com wrote: The CMA aligned offset calculation is

Re: [PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-27 Thread Andrew Morton
On Fri, 27 Feb 2015 17:07:28 -0800 Danesh Petigara dpetig...@broadcom.com wrote: On 2/27/2015 3:54 PM, Andrew Morton wrote: On Fri, 27 Feb 2015 15:52:56 -0800 Danesh Petigara dpetig...@broadcom.com wrote: On 2/27/2015 1:24 PM, Andrew Morton wrote: On Tue, 24 Feb 2015 15:39:45 -0800

[PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-24 Thread Danesh Petigara
The CMA aligned offset calculation is incorrect for non-zero order_per_bit values. For example, if cma->order_per_bit=1, cma->base_pfn= 0x2f80 and align_order=12, the function returns a value of 0x17c00 instead of 0x400. This patch fixes the CMA aligned offset calculation. Cc:

[PATCH v2] mm: cma: fix CMA aligned offset calculation

2015-02-24 Thread Danesh Petigara
The CMA aligned offset calculation is incorrect for non-zero order_per_bit values. For example, if cma-order_per_bit=1, cma-base_pfn= 0x2f80 and align_order=12, the function returns a value of 0x17c00 instead of 0x400. This patch fixes the CMA aligned offset calculation. Cc: