diff options
| author | Jan Kara <jack@suse.cz> | 2013-10-02 16:27:52 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-05 17:52:58 -0700 |
| commit | 5f1a1369e89e05baba1df72834c9b48cd1ce45e1 (patch) | |
| tree | b831ea258ec569d1ea7654fdf1b403701c1f3dbe /drivers/staging/sep | |
| parent | f4ee2ccb6f9241c4bae2df66c296cf579d1487fb (diff) | |
sep: Convert sep_lock_user_pages() to get_user_pages_fast()
CC: Mark Allyn <mark.a.allyn@intel.com>
CC: Jayant Mangalampalli <jayant.mangalampalli@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/sep')
| -rw-r--r-- | drivers/staging/sep/sep_main.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/staging/sep/sep_main.c b/drivers/staging/sep/sep_main.c index 6a98a208bbf2..11f5b2117457 100644 --- a/drivers/staging/sep/sep_main.c +++ b/drivers/staging/sep/sep_main.c @@ -1263,13 +1263,8 @@ static int sep_lock_user_pages(struct sep_device *sep, } /* Convert the application virtual address into a set of physical */ - down_read(¤t->mm->mmap_sem); - result = get_user_pages(current, current->mm, app_virt_addr, - num_pages, - ((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1), - 0, page_array, NULL); - - up_read(¤t->mm->mmap_sem); + result = get_user_pages_fast(app_virt_addr, num_pages, + ((in_out_flag == SEP_DRIVER_IN_FLAG) ? 0 : 1), page_array); /* Check the number of pages locked - if not all then exit with error */ if (result != num_pages) { |