MinimumRequirements: add linux EPOLL requirement

Change-Id: I278eb571111c13fdc2441c3f8cce950b70e00864
Reviewed-on: https://go-review.googlesource.com/c/wiki/+/566875
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
diff --git a/MinimumRequirements.md b/MinimumRequirements.md
index 2527792..b71dbe2 100644
--- a/MinimumRequirements.md
+++ b/MinimumRequirements.md
@@ -12,7 +12,7 @@
 
 For little-endian MIPS64, kernel version [4.1 is known to fail, and 4.8 works](https://go.dev/issue/16848). 
 
-If you are using tinyconfig (e.g. make tinyconfig) for embedded systems, you will also almost certainly enable printk in the kernel as well as a console; we will not include those generic options here. For Go, you must also enable CONFIG_FUTEX.
+If you are using tinyconfig (e.g. make tinyconfig) for embedded systems, you will also almost certainly enable printk in the kernel as well as a console; we will not include those generic options here. For Go, you must also enable CONFIG_FUTEX and CONFIG_EPOLL.
 
 On arm64, an out of date (lower than version 2.33) ld.gold may cause shared library tests to fail (see https://github.com/golang/go/issues/28334).