[PATCH 11/26] sep: Convert sep_lock_user_pages() to get_user_pages_fast()

[Jan Kara]

CC: Greg Kroah-Hartman <gre...@linuxfoundation.org>
CC: Mark Allyn <mark.a.al...@intel.com>
CC: Jayant Mangalampalli <jayant.mangalampa...@intel.com>
Signed-off-by: Jan Kara <j...@suse.cz>
---
 drivers/staging/sep/sep_main.c | 9 ++-------
 1 file 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(&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) {
-- 
1.8.1.4

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