Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-07-17 Thread Hans Verkuil
On 07/13/2015 04:55 PM, Jan Kara wrote: From: Jan Kara j...@suse.cz Provide new function get_vaddr_frames(). This function maps virtual addresses from given start and fills given array with page frame numbers of the corresponding pages. If given start belongs to a normal vma, the function

Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-07-17 Thread Andrew Morton
On Fri, 17 Jul 2015 12:23:40 +0200 Hans Verkuil hverk...@xs4all.nl wrote: On 07/13/2015 04:55 PM, Jan Kara wrote: From: Jan Kara j...@suse.cz Provide new function get_vaddr_frames(). This function maps virtual addresses from given start and fills given array with page frame numbers of

[PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-07-13 Thread Jan Kara
From: Jan Kara j...@suse.cz Provide new function get_vaddr_frames(). This function maps virtual addresses from given start and fills given array with page frame numbers of the corresponding pages. If given start belongs to a normal vma, the function grabs reference to each of the pages to pin

Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-06-03 Thread Jan Kara
On Tue 02-06-15 15:29:12, Andrew Morton wrote: On Tue, 2 Jun 2015 17:23:00 +0200 Jan Kara j...@suse.cz wrote: That's a lump of new code which many kernels won't be needing. Can we put all this in a new .c file and select it within drivers/media Kconfig? So the attached patch

Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-06-02 Thread Andrew Morton
On Tue, 2 Jun 2015 17:23:00 +0200 Jan Kara j...@suse.cz wrote: That's a lump of new code which many kernels won't be needing. Can we put all this in a new .c file and select it within drivers/media Kconfig? So the attached patch should do what you had in mind. OK? lgtm.

Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-06-02 Thread Jan Kara
On Thu 28-05-15 16:24:02, Andrew Morton wrote: On Wed, 13 May 2015 15:08:08 +0200 Jan Kara j...@suse.cz wrote: Provide new function get_vaddr_frames(). This function maps virtual addresses from given start and fills given array with page frame numbers of the corresponding pages. If given

Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-06-01 Thread Hans Verkuil
On 06/01/2015 02:40 PM, Jan Kara wrote: On Thu 28-05-15 16:24:02, Andrew Morton wrote: On Wed, 13 May 2015 15:08:08 +0200 Jan Kara j...@suse.cz wrote: Provide new function get_vaddr_frames(). This function maps virtual addresses from given start and fills given array with page frame numbers

Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-06-01 Thread Jan Kara
On Thu 28-05-15 16:24:02, Andrew Morton wrote: On Wed, 13 May 2015 15:08:08 +0200 Jan Kara j...@suse.cz wrote: Provide new function get_vaddr_frames(). This function maps virtual addresses from given start and fills given array with page frame numbers of the corresponding pages. If given

Re: [PATCH 2/9] mm: Provide new get_vaddr_frames() helper

2015-05-28 Thread Andrew Morton
On Wed, 13 May 2015 15:08:08 +0200 Jan Kara j...@suse.cz wrote: Provide new function get_vaddr_frames(). This function maps virtual addresses from given start and fills given array with page frame numbers of the corresponding pages. If given start belongs to a normal vma, the function grabs