linux/virt/kvm
Takuya Yoshikawa c1a7b32a14 KVM: Avoid wasting pages for small lpage_info arrays
lpage_info is created for each large level even when the memory slot is
not for RAM.  This means that when we add one slot for a PCI device, we
end up allocating at least KVM_NR_PAGE_SIZES - 1 pages by vmalloc().

To make things worse, there is an increasing number of devices which
would result in more pages being wasted this way.

This patch mitigates this problem by using kvm_kvzalloc().

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
2012-06-05 16:29:49 +03:00
..
assigned-dev.c KVM: Convert intx_mask_lock to spin lock 2012-03-20 12:41:24 +02:00
async_pf.c KVM: fix the race while wakeup all pv guest 2011-01-12 11:29:03 +02:00
async_pf.h KVM: Halt vcpu if page it tries to access is swapped out 2011-01-12 11:21:39 +02:00
coalesced_mmio.c KVM: make checks stricter in coalesced_mmio_in_range() 2011-12-27 11:17:07 +02:00
coalesced_mmio.h KVM: Make coalesced mmio use a device per zone 2011-09-25 19:17:57 +03:00
eventfd.c KVM: Intelligent device lookup on I/O bus 2011-09-25 19:17:59 +03:00
ioapic.c KVM: dont clear TMR on EOI 2012-04-16 20:36:38 -03:00
ioapic.h KVM: dont clear TMR on EOI 2012-04-16 20:36:38 -03:00
iodev.h KVM: remove in_range from io devices 2009-09-10 08:33:05 +03:00
iommu.c KVM: lock slots_lock around device assignment 2012-04-19 00:04:18 -03:00
irq_comm.c KVM: Introduce direct MSI message injection for in-kernel irqchips 2012-04-24 15:59:47 +03:00
Kconfig KVM: Introduce direct MSI message injection for in-kernel irqchips 2012-04-24 15:59:47 +03:00
kvm_main.c KVM: Avoid wasting pages for small lpage_info arrays 2012-06-05 16:29:49 +03:00