From 6c2c97a24f096e3239bc54029b808c6bcba4f358 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 7 Jan 2018 13:00:27 -0500
Subject: [PATCH] memdup_user(): switch to GFP_USER
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
mm/util.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/mm/util.c b/mm/util.c
index 34e57fae959de..4b93ffa6df96e 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -156,12 +156,7 @@ void *memdup_user(const void __user *src, size_t len)
{
void *p;
- /*
- * Always use GFP_KERNEL, since copy_from_user() can sleep and
- * cause pagefault, which makes it pointless to use GFP_NOFS
- * or GFP_ATOMIC.
- */
- p = kmalloc_track_caller(len, GFP_KERNEL);
+ p = kmalloc_track_caller(len, GFP_USER);
if (!p)
return ERR_PTR(-ENOMEM);
--
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