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Daniel Kiper 080e2be788 xen/balloon: memory hotplug support for Xen balloon driver ... Memory hotplug support for Xen balloon driver. It should be mentioned that hotplugged memory is not onlined automatically. It should be onlined by user through standard sysfs interface. Memory could be hotplugged in following steps: 1) dom0: xl mem-max <domU> <maxmem> where <maxmem> is >= requested memory size, 2) dom0: xl mem-set <domU> <memory> where <memory> is requested memory size; alternatively memory could be added by writing proper value to /sys/devices/system/xen_memory/xen_memory0/target or /sys/devices/system/xen_memory/xen_memory0/target_kb on dumU, 3) domU: for i in /sys/devices/system/memory/memory*/state; do \ [ "`cat "$i"`" = offline ] && echo online > "$i"; done Memory could be onlined automatically on domU by adding following line to udev rules: SUBSYSTEM=="memory", ACTION=="add", RUN+="/bin/sh -c '[ -f /sys$devpath/state ] && echo online > /sys$devpath/state'" In that case step 3 should be omitted. Signed-off-by: Daniel Kiper <dkiper@net-space.pl> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		14 years ago
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interface	Merge branch 'stable/vga.support' into stable/drivers	14 years ago
Kbuild	xen: add privcmd driver	15 years ago
balloon.h	xen/balloon: memory hotplug support for Xen balloon driver	14 years ago
events.h	xen/pci: Remove 'xen_allocate_pirq_gsi'.	14 years ago
evtchn.h	xen: add /dev/xen/evtchn driver	16 years ago
features.h	…
gntalloc.h	xen/gntalloc,gntdev: Add unmap notify ioctl	14 years ago
gntdev.h	xen/gntalloc,gntdev: Add unmap notify ioctl	14 years ago
grant_table.h	xen: introduce gnttab_map_refs and gnttab_unmap_refs	14 years ago
hvc-console.h	xen: Add __attribute__((format(printf... where appropriate	14 years ago
hvm.h	x86/xen: event channels delivery on HVM.	15 years ago
page.h	xen: add extra pages to balloon	14 years ago
platform_pci.h	xen: pvhvm: make it clearer that XEN_UNPLUG_* define bits in a bitfield	15 years ago
privcmd.h	xen: fix header export to userspace	14 years ago
swiotlb-xen.h	swiotlb-xen: SWIOTLB library for Xen PV guest with PCI passthrough.	15 years ago
tmem.h	xen: tmem: self-ballooning and frontswap-selfshrinking	14 years ago
xen-ops.h	xen: suspend: add "arch" to pre/post suspend hooks	14 years ago
xen.h	xen: move Xen-testing predicates to common header	16 years ago
xenbus.h	xen: Add __attribute__((format(printf... where appropriate	14 years ago
xencomm.h	…