memdup_user(): switch to GFP_USER

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-01-07 13:00:27 -05:00
parent 105f2b7096
commit 6c2c97a24f

View File

@ -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);