Michael S. Tsirkin 23cc5a991c vhost-net: extend device allocation to vmalloc ... Michael Mueller provided a patch to reduce the size of vhost-net structure as some allocations could fail under memory pressure/fragmentation. We are still left with high order allocations though. This patch is handling the problem at the core level, allowing vhost structures to use vmalloc() if kmalloc() failed. As vmalloc() adds overhead on a critical network path, add __GFP_REPEAT to kzalloc() flags to do this fallback only when really needed. People are still looking at cleaner ways to handle the problem at the API level, probably passing in multiple iovecs. This hack seems consistent with approaches taken since then by drivers/vhost/scsi.c and net/core/dev.c Based on patch by Romain Francoise. Cc: Michael Mueller <mimu@linux.vnet.ibm.com> Signed-off-by: Romain Francoise <romain@orebokech.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>		2014-06-09 16:21:05 +03:00
..
Kconfig	vhost: Make vhost a separate module	2013-07-07 17:33:44 +03:00
Makefile	vhost: Make vhost a separate module	2013-07-07 17:33:44 +03:00
net.c	vhost-net: extend device allocation to vmalloc	2014-06-09 16:21:05 +03:00
scsi.c	target: Pass in transport supported PI at session initialization	2014-04-07 01:48:54 -07:00
test.c	vhost: remove the dead branch	2013-12-06 15:22:05 -05:00
test.h	vhost test module	2010-12-09 16:00:21 +02:00
vhost.c	vhost: remove the dead branch	2013-12-06 15:22:05 -05:00
vhost.h	vhost: remove the dead branch	2013-12-06 15:22:05 -05:00
vringh.c	Add missing module license tag to vring helpers.	2013-05-08 10:49:03 +09:30