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memdup_user(): switch to GFP_USER

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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
1 changed files with 1 additions and 6 deletions
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7
mm/util.c
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@ -156,12 +156,7 @@ void *memdup_user(const void __user *src, size_t len)
{ {
void *p; void *p;
/* p = kmalloc_track_caller(len, GFP_USER);
* 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);
if (!p) if (!p)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);