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Subject[PATCH 18/26] mm: Convert process_vm_rw_pages() to use get_user_pages_unlocked()
Date
Signed-off-by: Jan Kara <jack@suse.cz>
---
mm/process_vm_access.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index fd26d0433509..c1bc47d8ed90 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -64,12 +64,8 @@ static int process_vm_rw_pages(struct task_struct *task,
*bytes_copied = 0;

/* Get the pages we're interested in */
- down_read(&mm->mmap_sem);
- pages_pinned = get_user_pages(task, mm, pa,
- nr_pages_to_copy,
- vm_write, 0, process_pages, NULL);
- up_read(&mm->mmap_sem);
-
+ pages_pinned = get_user_pages_unlocked(task, mm, pa, nr_pages_to_copy,
+ vm_write, 0, process_pages);
if (pages_pinned != nr_pages_to_copy) {
rc = -EFAULT;
goto end;
--
1.8.1.4


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