lib/PublicInbox/Syscall.pm | 14 +++++---------

diff --git a/lib/PublicInbox/Syscall.pm b/lib/PublicInbox/Syscall.pm
index 5ff1d65fc9365df5c2ee022df19395e3e7d59970..2599f8a3d57b55eecf1bd27deef59e358741a9f9 100644
--- a/lib/PublicInbox/Syscall.pm
+++ b/lib/PublicInbox/Syscall.pm
@@ -55,7 +55,7 @@     };
     $clean->(); # don't trust modules before us
     my $rv = eval { require 'syscall.ph'; 1 } || eval { require 'sys/syscall.ph'; 1 };
     $clean->(); # don't require modules after us trust us
-    return $rv;
+    $rv;
 }
 
 
@@ -195,21 +195,17 @@         *epoll_wait = \&epoll_wait_mod4;
         *epoll_ctl = \&epoll_ctl_mod4;
     }
 }
-
-elsif ($^O eq "freebsd") {
-    if ($ENV{FREEBSD_SENDFILE}) {
-        # this is still buggy and in development
-    }
-}
+# use Inline::C for *BSD-only or general POSIX stuff.
+# Linux guarantees stable syscall numbering, BSDs only offer a stable libc
 
 ############################################################################
 # epoll functions
 ############################################################################
 
-sub epoll_defined { return $SYS_epoll_create ? 1 : 0; }
+sub epoll_defined { $SYS_epoll_create ? 1 : 0; }
 
 sub epoll_create {
-	syscall($SYS_epoll_create, $no_deprecated ? 0 : ($_[0]||100)+0);
+	syscall($SYS_epoll_create, $no_deprecated ? 0 : 100);
 }
 
 # epoll_ctl wrapper