inotify.7: Note rationale and consequences of event coalescing

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man7/inotify.7 b/man7/inotify.7
index 22e69e630a98c7c0b11f14c60f0684181dcb8ad0..de07005c4dfb2eb5e9859090b2e1762592bbc553 100644 (file)
--- a/man7/inotify.7
+++ b/man7/inotify.7
@@ -401,6 +401,9 @@ and
 .IR name )
 then they are coalesced into a single event if the
 older event has not yet been read (but see BUGS).
+This reduces the amount of kernel memory required for the event queue,
+but also means that an application can't use inotify to reliably count
+file events.
 
 The events returned by reading from an inotify file descriptor
 form an ordered queue.