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docs: vm: page_frags.rst: Fix the reference of stale function

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The __netdev_alloc_frag() has been dropped by commit 7ba7aeabba ("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>
This commit is contained in:
Kevin Hao 2020-05-08 22:09:24 +08:00 committed by Jonathan Corbet
parent fd79cfd712
commit ea8fdf1a40
1 changed files with 1 additions and 1 deletions
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Documentation/vm/page_frags.rst
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@ -26,7 +26,7 @@ to be disabled when executing the fragment allocation.
The network stack uses two separate caches per CPU to handle fragment 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 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 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 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 called. The "netdev" prefixed functions are usable in any context as these