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sep: Convert sep_lock_user_pages() to get_user_pages_fast()

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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>
This commit is contained in:
Jan Kara
2013-10-02 16:27:52 +02:00
committed by Greg Kroah-Hartman
parent f4ee2ccb6f
commit 5f1a1369e8
1 changed files with 2 additions and 7 deletions
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drivers/staging/sep/sep_main.c
+2 -7
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@@ -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(&current->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(&current->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) {