Unverified Commit 7059a9aa authored by Changcheng Liu's avatar Changcheng Liu Committed by Christian Brauner (Microsoft)
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eventpoll: align comment with nested epoll limitation 



fix comment in commit 02edc6fc ("epoll: comment the funky #ifdef")

Signed-off-by: default avatarLiu, Changcheng <changchengx.liu@outlook.com>
Signed-off-by: default avatarChristian Brauner (Microsoft) <brauner@kernel.org>
parent eeac8ede

fs/eventpoll.c

+2 −2
Original line number Diff line number Diff line
@@ -483,8 +483,8 @@ static inline void ep_set_busy_poll_napi_id(struct epitem *epi) 
 * (efd1) notices that it may have some event ready, so it needs to wake up

 * the waiters on its poll wait list (efd2). So it calls ep_poll_safewake()

 * that ends up in another wake_up(), after having checked about the

 * recursion constraints. That are, no more than EP_MAX_POLLWAKE_NESTS, to

 * avoid stack blasting.

 * recursion constraints. That are, no more than EP_MAX_NESTS, to avoid

 * stack blasting.

 *

 * When CONFIG_DEBUG_LOCK_ALLOC is enabled, make sure lockdep can handle

 * this special case of epoll.