From: François Tigeot <ftigeot@wolfpond.org>
Date: Mon, 20 Aug 2012 06:17:29 +0000 (+0200)
Subject: kernel: Set kern.ipc.shm_use_phys to 1 by default
X-Git-Tag: v3.2.0~313
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/4f1a160352ca979cc8782a05c4afe079a1ea9240?ds=sidebyside

kernel: Set kern.ipc.shm_use_phys to 1 by default

* The only known user of SYSV shared memory is PostgreSQL

* It really needs physical allocation to perform well with high
  numbers of clients

* Physical allocation is now used by default
---

diff --git a/sys/kern/sysv_shm.c b/sys/kern/sysv_shm.c
index 42768f32f0..985472841b 100644
--- a/sys/kern/sysv_shm.c
+++ b/sys/kern/sysv_shm.c
@@ -117,7 +117,7 @@ struct	shminfo shminfo = {
 	0
 };
 
-static int shm_use_phys;
+static int shm_use_phys = 1;
 
 TUNABLE_LONG("kern.ipc.shmmin", &shminfo.shmmin);
 TUNABLE_LONG("kern.ipc.shmmni", &shminfo.shmmni);