Re: [PATCH] staging: android: ion: Add requested allocation alignment

2018-02-12 Thread Alexey Skidanov
On 02/12/2018 10:46 PM, Laura Abbott wrote: > On 02/12/2018 12:22 PM, Alexey Skidanov wrote: >> >> >> On 02/12/2018 09:52 PM, Laura Abbott wrote: >>> On 02/12/2018 11:11 AM, Alexey Skidanov wrote: On 02/12/2018 08:42 PM, Laura Abbott wrote: > On 02/10/2018 02:17 AM, Alexey Skidanov

Re: [PATCH] staging: android: ion: Add requested allocation alignment

2018-02-12 Thread Laura Abbott
On 02/12/2018 12:22 PM, Alexey Skidanov wrote: On 02/12/2018 09:52 PM, Laura Abbott wrote: On 02/12/2018 11:11 AM, Alexey Skidanov wrote: On 02/12/2018 08:42 PM, Laura Abbott wrote: On 02/10/2018 02:17 AM, Alexey Skidanov wrote: Current ion defined allocation ioctl doesn't allow to specify

Re: [PATCH] staging: android: ion: Add requested allocation alignment

2018-02-12 Thread Alexey Skidanov
On 02/12/2018 09:52 PM, Laura Abbott wrote: > On 02/12/2018 11:11 AM, Alexey Skidanov wrote: >> >> On 02/12/2018 08:42 PM, Laura Abbott wrote: >>> On 02/10/2018 02:17 AM, Alexey Skidanov wrote: Current ion defined allocation ioctl doesn't allow to specify the requested allocation a

Re: [PATCH] staging: android: ion: Add requested allocation alignment

2018-02-12 Thread Laura Abbott
On 02/12/2018 11:11 AM, Alexey Skidanov wrote: On 02/12/2018 08:42 PM, Laura Abbott wrote: On 02/10/2018 02:17 AM, Alexey Skidanov wrote: Current ion defined allocation ioctl doesn't allow to specify the requested allocation alignment. CMA heap allocates buffers aligned on buffer size page ord

Re: [PATCH] staging: android: ion: Add requested allocation alignment

2018-02-12 Thread Alexey Skidanov
On 02/12/2018 08:42 PM, Laura Abbott wrote: > On 02/10/2018 02:17 AM, Alexey Skidanov wrote: >> Current ion defined allocation ioctl doesn't allow to specify the >> requested >> allocation alignment. CMA heap allocates buffers aligned on buffer size >> page order. >> >> Sometimes, the alignment r

Re: [PATCH] staging: android: ion: Add requested allocation alignment

2018-02-12 Thread Laura Abbott
On 02/10/2018 02:17 AM, Alexey Skidanov wrote: Current ion defined allocation ioctl doesn't allow to specify the requested allocation alignment. CMA heap allocates buffers aligned on buffer size page order. Sometimes, the alignment requirement is less restrictive. In such cases, providing specif

[PATCH] staging: android: ion: Add requested allocation alignment

2018-02-10 Thread Alexey Skidanov
Current ion defined allocation ioctl doesn't allow to specify the requested allocation alignment. CMA heap allocates buffers aligned on buffer size page order. Sometimes, the alignment requirement is less restrictive. In such cases, providing specific alignment may reduce the external memory fragm