docs: vm: page_frags.rst: Fix the reference of stale function
The __netdev_alloc_frag() has been dropped by commit 7ba7aeabbaba ("net:
Don't disable interrupts in napi_alloc_frag()"). So replace it with
netdev_alloc_frag().
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Link: https://lore.kernel.org/r/20200508140924.18220-1-haokexin@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/vm/page_frags.rst b/Documentation/vm/page_frags.rst
index 637cc49..7d6f938 100644
--- a/Documentation/vm/page_frags.rst
+++ b/Documentation/vm/page_frags.rst
@@ -26,7 +26,7 @@
The network stack uses two separate caches per CPU to handle fragment
allocation. The netdev_alloc_cache is used by callers making use of the
-__netdev_alloc_frag and __netdev_alloc_skb calls. The napi_alloc_cache is
+netdev_alloc_frag and __netdev_alloc_skb calls. The napi_alloc_cache is
used by callers of the __napi_alloc_frag and __napi_alloc_skb calls. The
main difference between these two calls is the context in which they may be
called. The "netdev" prefixed functions are usable in any context as these