Author: kib
Date: Sat Apr 4 07:56:04 2015
New Revision: 281065
URL: https://svnweb.freebsd.org/changeset/base/281065
Log:
MFC r278697 (by alc):
Preset the object's color, or alignment, to maximize superpage usage.
Modified:
stable/10/sys/kern/sysv_shm.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/sysv_shm.c
==============================================================================
--- stable/10/sys/kern/sysv_shm.c Sat Apr 4 07:52:12 2015
(r281064)
+++ stable/10/sys/kern/sysv_shm.c Sat Apr 4 07:56:04 2015
(r281065)
@@ -719,9 +719,10 @@ shmget_allocate_segment(td, uap, mode)
#endif
return (ENOMEM);
}
+ shm_object->pg_color = 0;
VM_OBJECT_WLOCK(shm_object);
vm_object_clear_flag(shm_object, OBJ_ONEMAPPING);
- vm_object_set_flag(shm_object, OBJ_NOSPLIT);
+ vm_object_set_flag(shm_object, OBJ_COLORED | OBJ_NOSPLIT);
VM_OBJECT_WUNLOCK(shm_object);
shmseg->object = shm_object;
_______________________________________________
[email protected] mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10
To unsubscribe, send any mail to "[email protected]"
